60-40 Scratch / Dig Optical Windows

Calcium fluoride is commonly used as a window material for both infrared and ultraviolet wavelengths, since it is transparent in these regions (about 0.15mm to 9mm) and exhibits extremely weak birefringence. CeNing Optics provides artificially-crystallized calcium fluoride components available in IR... [See More]

• Surface Quality: 60-40 Scratch / Dig; 80-50 Scratch / Dig
• Window Shape: Circular; Square; Rectangular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: 12.7 to 30

The optical properties (refractive index, Abbe number) of BK7 and K9 are almost the same, and they can replace each other in the visible wavelength. 1064nm is the working wavelength of YAG laser, and all kinds of 1064nm coated optics are needed for YAG lasers. What are the uses of the laser BK7 (K9)... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

BK7 and K9 are two common optical glass materials, widely used in lenses, prisms, windows and other optical components. Yutai Optics chooses K9 as an alternative material to BK7. What is the role of the BK7 (K9) window in the visible wavelength?. Use: protect sensitive optical components (sensors,... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

Step glass windows are designed with steps of varying heights at the edge of the window or at specific locations. What are the advantages of step glass windows?. 1. Precise positioning and mounting. 2. Enhanced sealing performance (for vacuum or high pressure environments). 3. Improved structural... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

Yutai Optics can process perforated BK7(K9) windows with the number of holes ranging from one to many, the hole diameter can be as small as 1mm, and the shape of the holes can be round, square, and can be processed according to the drawing. Why are there holes in some windows?. The window with holes... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

The BK7 (K9) window with steps is a specially designed optical element that adds one or more step structures to a standard optical window. This design is often used to meet specific optical, mechanical or mounting requirements. What are the applications for BK7 (K9) windows with steps?. Laser... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: BK7 Glass

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

How to consider when choosing Fused Silica?. Price. Optical homogeneity. Transmission. Absorption. Refractive index. Dispersion. Inclusion content or Bubbles. Residual strain. Fluorescence. Resistance to light induced defects or irradiation [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

Step glass windows are structurally optimised to be significantly better than normal plano windows in terms of positioning accuracy, sealing, mechanical stability and ease of assembly, making them particularly suitable for high precision, harsh environments or integrated optical systems. How to... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: UV Grade Fused Silica; Fused Silica

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

Fused silica glass uses. Fused silica and quartz are used in the manufacture of many optical components: such as optical lenses, optical mirrors, UV and IR wavelength transmitting [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

Advantages of fused silica. *Low density, thermal expansion coefficient, electric conductivity. *Relatively high mechanical property, heat-resisting, thermal shock resistance,. *High corrosion resistant, and dielectric constant. *Extensively used in optical and optoelectronics devices, microwave... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

Step glass windows are structurally optimised to be significantly better than normal plano windows in terms of positioning accuracy, sealing, mechanical stability and ease of assembly, making them particularly suitable for high precision, harsh environments or integrated optical systems. What are... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: Germanium; Germanium

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

IR Grade BaF2 Windows [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: BaF2

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

Applications of ZnSe windows. 1. High power CO2 laser:reflector and beam splitter mirrors in high power CO2 lasers due to its low absorption rate and high thermal shock tolerance. 2. Thermal and infrared imaging: thermal imaging, infrared temperature measurement, medical systems and industrial... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: Zinc Selenide; ZnSe

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

LiF Windows [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: LiF

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

Monocrystalline MgF2 Windows [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: MgF2

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

Fused Silica Glass Properties. Low thermal expansion with high resistance to thermal shocks. High radiation resistance. High chemical purity and resistance. High softening temperature and thermal resistance. High transmission for UV to IR wavelegnth. UV Grade Fused Silica is synthetic amorphous... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

The nd data of H-K9L is 1.5168,vd data is 64.20. H-K9L is the alternative for N-BK7.H-K9L(N-BK7) is a RoHS-compliant borosilicate crown glass. It provides excellent transmission in the visible and near infrared portions of the spectrum(350 nm - 2.0 µm). It is typically chosen whenever the... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

Applications of monocrystalline silicon windows. 1. Semiconductor: monocrystalline silicon is often used in the manufacture of integrated circuits (ICs) and optoelectronic devices. 2. Solar energy industry: monocrystalline silicon is one of the most dominant solar cell materials today. 3. Infrared... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: Silicon

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

Sapphire crystal is the hardest oxide crystal, is the basic single crystal form of aluminum oxide (Al2O3). It has a series of excellent physical and chemical characteristics such as high strength, high hardness, high temperature resistance,abrasion resistance, corrosion resistance, good light... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

How to clean CaF2 windows?. DO NOT USE ULTRASONIC CLEANING FOR CALCIUM FLUORIDE VIEWPORTS. Always start by blowing off window first with clean, dry compressed air. ... Always use a solvent-dampened swab to wipe clean a window, a dry swab can potentially scratch a window and. ... Excess solvent... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: Calcium Fluoride; CaF2

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

Polycrystalline MgF2 Windows [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Material: MgF2

• Parallelism or Wedge Angle: 180
• Surface Flatness: λ/10

What are the applications for square rounded corner windows?. Vacuum cavity observation windows, high ressure sensor protection windows, laser sealing windows, underwater optical equipment. What are the advantages of square rounded corner windows?. 1. Rounded corners eliminate stress concentrations... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Parallelism or Wedge Angle: 180

• Window Shape: Rectangular
• Surface Flatness: λ/10

What is fused silica?. Fused silica: high purity amorphous silica for refractories, iron & steel and glass production. What's the difference of Chinese Fused silica JGS1,JGS2,JGS3?. JGS1: High transmission for 185-2000nm. JGS2: High transmission for 200-2500nm. JGS3: High transmission for... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Parallelism or Wedge Angle: 180

• Window Shape: Rectangular
• Window Material: UV Grade Fused Silica

Applications of sapphire. Single Crystal Sapphire's optical, electrical, chemical resistance, high thermal conductivity, and mechanical properties make it a superior choice over quartz, alumina and other ceramic materials for hundreds of applications ranging from optical sapphire windows for... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Parallelism or Wedge Angle: 180

• Window Shape: Rectangular
• Surface Flatness: λ/10

Steps increase mechanical strength and reduce the risk of window deformation in high pressure or vibration environments. Suitable for high mechanical stress scenarios such as aerospace and on-board optical systems. What are the design considerations for step glass windows?. Tolerance control of step... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

What is the usage of sapphire windows in optics?. Sapphire is frequently used in optical windows,optical spherical lenses, and other optical components. Additionally, sapphire is often used in high-powered lasers due to its ability and durability to withstand high temperatures. If you need an... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Surface Flatness: λ/10

• Parallelism or Wedge Angle: 180

1/4 λ Surface Accuracy. Broadband Anti-Reflection Coating Options Available. Custom Coatings and Sizes Available for Volume OEM Quantities. Also Available with Laser-Line V-Coats. TECHSPEC ® 1/4 λ N-BK7 Precision Windows are ideally suited for industrial and low power laser... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Shape: Circular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: 10

Optical windows are made of optical grade glass with plane parallel surfaces. They are used to admit light into an optical system and to protect it from dirt and moisture. Windows made of BK7 material have high transmission in the visible spectral region, do not scratch easily, do not degrade under... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Shape: Circular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: 12.5

These BBAR coated B270 telecom windows are coated for use in the 1050-1700nm region. Our coating achieves less than 0.5% reflection in the telecoms band and 0.09% reflection at 1550nm. These windows are optimized for fibre optic applications in the S and C bands between 1460nm to 1565nm while... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Rectangular Width: 0.2500

OPTICAL COMPONENT MANUFACTURING. Fairfield Crystal provides component manufacturing for your most challenging designs and applications. Combined with our expertise in crystal growth our component fabrication team is able to manufacture highly polished single crystal lenses, prisms, wedges,... [See More]

• Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig; 80-50 Scratch / Dig
• Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10; λ/20

• Window Material: Calcium Fluoride; Zinc Selenide

Besides standard windows, Foctek offers all kinds of custom-made windows according to customers ’ requirement: Windows made from materials such as N-BK7, Fused Silica, Sapphire, CaF2, Silicon, Borofloat, Pyrex, or other optical glass supplied by Schott and Chinese CDGM are available upon... [See More]

• Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 8 to 30

• Window Shape: Circular
• Thickness: 1 to 50

MOK Optics provides various of germanium windows upon customer requirements. The transmission of Ge is around 50% at 2-14 μm, we typically need to make AR coating for Ge optics, we can also make DLC coating (Diamond like carbon coating) for outdoor use. [See More]

• Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig; 80-50 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 3 to 200

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Parallelism or Wedge Angle: 0.5000

BK7 window is the most common type of window. It has good performance over visible and near infrared wavelength regions. At the same time, BK7 window is ideal for applications require minimal transmitted beam deviation. It is suitable for AR coating. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 2 to 350

• Window Shape: Circular
• Wedged or Parallel?: Parallel

Features: • Exceptional mechanical strength and chemical resistance. • High thermal durabilities and broad wavelength range from 200-5500nm. • Ideal for harsh conditions and high-power applications (e.g lasers, plasma chambers, pharmaceuticals, etc.). • A large selection of... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Rectangular Width: 12.5

• Window Shape: Circular; Square
• Thickness: 1

BK7 window is the most common type of window. It has good performance over visible and near infrared wavelength regions. At the same time, BK7 window is ideal for applications require minimal transmitted beam deviation. It is suitable for AR coating. 7.1.What is BK7 window?. N-BK7 Windows are a... [See More]

• Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 2 to 350

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Thickness: 1 to 50

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

• Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig
• Window Shape: Circular; Rectangular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: 12.7 to 50.8

Barium Fluoride (BaF ₂) is a crystalline compound of barium and fluoride used in optical applications in the NIR, VIS and MWIR spectrums. Barium Fluoride is resistant to high energy radiation, performing well in dry temperatures up to 800 °C, but transmission in the Vacuum UV (VUV)... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Window Material: Barium Fluoride

Besides standard windows, Foctek offers all kinds of custom-made windows according to customers ’ requirement: Windows made from materials such as N-BK7, Fused Silica, Sapphire, CaF2, Silicon, Borofloat, Pyrex, or other optical glass supplied by Schott and Chinese CDGM are available upon... [See More]

• Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 8 to 30

• Window Shape: Circular
• Thickness: 1 to 20

CaF2 is transparent from the UV to the IR (180 nm - 8.0 µm). and is mechanically and environmentally stable. MOK Optics provides excimer grade CaF2, vacuum VUV grade CaF2, UV grade CaF2, IR polycrystal CaF2. [See More]

• Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig; 80-50 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 3 to 350

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Parallelism or Wedge Angle: 0.5000

Color glass changed the spectral properties of optical radiation. They therefore allow scientific experiments and industrial applications where that change is necessary. You can combine color glass filters together to change the bandpass or to increase the attenuation. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Wedged or Parallel?: Parallel

• Window Shape: Circular
• Window Material: Crown Glass

Features: • Maximum diameter 200mm. • Transmission range 0.2-11.0 μm. • Excellent as viewport windows and for IR spectroscope. • Coating Options: Protective Coating. Barium Fluoride Windows, with their extremely broad transmission range from the deep UV to LWIR spectrum, are... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Parallelism or Wedge Angle: 1

• Window Shape: Square

Color glass changed the spectral properties of optical radiation. They therefore allow scientific experiments and industrial applications where that change is necessary. You can combine color glass filters together to change the bandpass or to increase the attenuation. Color glass change the... [See More]

• Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
• Wedged or Parallel?: Parallel

• Window Shape: Circular (optional feature); Rectangular (optional feature)
• Parallelism or Wedge Angle: 0.1667 to 1

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

• Surface Quality: 20-10 Scratch / Dig; 60-40 Scratch / Dig
• Window Shape: Circular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: 25.4 to 38.1

Calcium Fluoride (CaF ₂) is commonly used for optics looking at the IR and UV spectrums and has a very low change in refractive index with wavelength. It shares similar optical properties with Barium Fluoride although it has a transmission that is 2.5 µm less into the infra-red. Calcium... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Rectangular Width: 19

Toughened scanner windows are commonly used in optical electronic devices, Scanners, Passport reader etc. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 2 to 600

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Window Material: Low iron white soda lime glass / Ultra white glass, soda lime glass

Calcium Fluoride windows and lenses for UV and IR spectrum. Custom made CaF2 windows, CaF2 lenses and wedges according to customer's specifications. CaF2 windows up to 220mm diameter; CaF2 wedges, prisms and CaF2 mirrors; Excimer CaF2 optics, Raman grade CaF2 optics and etc. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 4 to 38.1

• Window Shape: Circular
• Wedged or Parallel?: Parallel

Features: • Maximum diameter 200mm. • Transmitting range 0.18 μm to 8.0 μm. • High transmission rate in the UV, VIS ,and IR region. • High damage threshold and low chromatic aberration. • Applications: Spectroscope, thermal imaging, fluorescence imaging, excimer... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Parallelism or Wedge Angle: 1

• Window Shape: Square

Calcium Fluoride windows and lenses for UV and IR spectrum. Custom made CaF2 windows, CaF2 lenses and wedges according to customer's specifications. CaF2 windows up to 220mm diameter; CaF2 wedges, prisms and CaF2 mirrors; Excimer CaF2 optics, Raman grade CaF2 optics and etc. 5.1. What ’s... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 220

• Window Shape: Circular (optional feature)
• Wedged or Parallel?: Parallel

Germanium (Ge) is a relatively hard, high-density, IR transmitting material that blocks UV and VIS wavelengths but allows IR from 2 µm. Germanium has the highest refractive index of commonly available IR-transmitters and has low optical dispersion. This makes it desirable in aspects of lens... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Window Material: Germanium

Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8 –12 um wavelength band. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Wedged or Parallel?: Parallel

• Window Shape: Circular
• Wavelength Range: 8000 to 12000

Features: • Exceptional mechanical strength and chemical resistance. • High thermal durabilities and broad wavelength range from 200-5500nm. • Ideal for harsh conditions and high-power applications (e.g lasers, plasma chambers, pharmaceuticals, etc.). • A large selection of... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Window Diameter, Side Length, or Rectangular Length: 10

• Window Shape: Circular
• Thickness: 0.5000

Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8 –12 um wavelength band. 3.1. Note for Ge Window: (1) . Please specify the material and resistivity. (2) Custom-made Ge windows at any size are available. (3) Besides round, shape of... [See More]

• Surface Quality: 40-20 Scratch / Dig; 60-40 Scratch / Dig
• Thickness: 1 to 80

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Wedged or Parallel?: Parallel

Potassium Bromide (KBr) is a crystalline compound of potassium and bromide with a rock-salt type structure. It is used in optical applications in the UV, Visible, MWIR, and LWIR waveband regions. KBr has a melting point of 730 °C and must be used in a moisture-free environment as the polished... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Rectangular Width: 23

Magnesium Fluoride Windows applicable for wide range spectrum, transmits well into the VUV region at the hydrogen Lyman-alpha line and beyond and it is particularly useful for Excimer laser application.It is resistant to mechanical and thermal shock, to radiation, and is chemically stable. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 10 to 38.1

• Window Shape: Circular
• Wedged or Parallel?: Parallel

Features: • Stocked and custom Germanium (Ge) windows available. • Maximum diameter 300mm. • Broad wavelength range covering 2000-16000nm, excellent for IR applications. • Coating options: DLC coating, AR@3-5 μm, AR@8-12 μm, BBAR@3-12 μm. Germanium Windows are... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Window Diameter, Side Length, or Rectangular Length: 100

• Window Shape: Circular
• Thickness: 0.0500 to 4

Magnesium Fluoride Windows applicable for wide range spectrum, transmits well into the VUV region at the hydrogen Lyman-alpha line and beyond and it is particularly useful for Excimer laser application.It is resistant to mechanical and thermal shock, to radiation, and is chemically stable. Magnesium... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Thickness: 1 to 80

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Wedged or Parallel?: Parallel

Sapphire (Al2O3) is one of the hardest minerals and optical materials available for use in the range from UV up to about 5 µm. Sapphire is birefringent and if its use is for critical optical application, for example, windows, then the crystal might have to be cut along the zero degree plane, or... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Rectangular Width: 0.1000

Silicon is used as an optical window primarily in the 3 to 5 micron band and as a subsrate for production of optical filters and windows. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Wedged or Parallel?: Parallel

• Window Shape: Square
• Wavelength Range: 1500 to 8000

Features: • Stocked and custom Germanium (Ge) windows available. • Maximum diameter 300mm. • Broad wavelength range covering 2000-16000nm, excellent for IR applications. • Coating options: DLC coating, AR@3-5 μm, AR@8-12 μm, BBAR@3-12 μm. Germanium Windows are... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Window Diameter, Side Length, or Rectangular Length: 102

• Window Shape: Circular
• Thickness: 0.0500 to 1

Silicon is used as an optical window primarily in the 3 to 5 micron band and as a subsrate for production of optical filters and windows. Silicon (Si) is grown by Czochralski pulling techniques (CZ) and contains some oxygen that causes an absorption band at 9 microns. To avoid this, material can be... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Wedged or Parallel?: Parallel

• Window Shape: Circular (optional feature)
• Parallelism or Wedge Angle: 3

Sapphire (Al2O3) is one of the hardest minerals and optical materials available for use in the range from UV up to 5 µm. Sapphire is birefringent and if its use is for critical optical application then the crystal might have to be cut along the zero degree plane, or C-Cut. Random cut is usually... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Rectangular Width: 0.1000

Fused silica window, with low thermal expansion, providing stability and resistance to thermal shock over large temperature excursions, wide thermal operating range and high laser damage threshold, is a better choice for transmission from UV to IR. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 2 to 350

• Window Shape: Circular
• Wedged or Parallel?: Parallel

Features: • Stocked and custom Germanium (Ge) windows available. • Maximum diameter 300mm. • Broad wavelength range covering 2000-16000nm, excellent for IR applications. • Coating options: DLC coating, AR@3-5 μm, AR@8-12 μm, BBAR@3-12 μm. Germanium Windows are... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Window Diameter, Side Length, or Rectangular Length: 102

• Window Shape: Circular
• Thickness: 0.0500 to 4

Fused silica window, with low thermal expansion, providing stability and resistance to thermal shock over large temperature excursions, wide thermal operating range and high laser damage threshold, is a better choice for transmission from UV to IR. 6.3. Note for Fused Silica Window: (1). Custom-made... [See More]

• Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
• Thickness: 1 to 50

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Wedged or Parallel?: Parallel

Silicon (Si) is one of the hardest minerals and optical materials available for use in the NIR (1 µm) to about 6 µm. Optical quality Silicon is usually doped (5 to 40 ohm cm) to prevent absorption bands within the transmission waveband. Silicon has a lower refractive index than germanium... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Window Material: Silicon

Features: • Stocked and custom Germanium (Ge) windows available. • Maximum diameter 300mm. • Broad wavelength range covering 2000-16000nm, excellent for IR applications. • Coating options: DLC coating, AR@3-5 μm, AR@8-12 μm, BBAR@3-12 μm. Germanium Windows are... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Window Diameter, Side Length, or Rectangular Length: 25.4

• Window Shape: Circular
• Thickness: 0.0500 to 1

Sodium Chloride (NaCl), commonly known as rock salt, is a soft, highly soluble and hydroscopic material. It transmits over a broad wavelength range of about 0.25 to 16 μm and is ideal for lenses and other optical components for use the UV and IR range. Sodium Chloride has a maximum operating... [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Rectangular Width: 23

Features: • Exceptional mechanical strength and chemical resistance •. • High thermal durabilities and broad wavelength range from 200-5500nm •. • Ideal for harsh conditions and high-power applications (e.g lasers, plasma chambers, pharmaceuticals, etc.) •. • Blank... [See More]

• Surface Quality: 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig; Optional: 60/40, 40/20 or 20/10 S/D
• Parallelism or Wedge Angle: 0.5000

• Window Shape: Square

Zinc Selenide is used in the form of optical windows in FLIR (Forward Looking Infrared) systems, as meniscus, spherical or cylindrical lenses and as resonator windows in CO2 lasers. Knight Optical supply a range of quality Zinc Selenide windows either from stock or custom made to your specification. [See More]

• Surface Quality: 60-40 Scratch / Dig
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular

Features: • Exceptional mechanical strength and chemical resistance. • High thermal durabilities and broad wavelength range from 200-5500nm. • Ideal for harsh conditions and high-power applications (e.g lasers, plasma chambers, pharmaceuticals, etc.). • A large selection of... [See More]

• Surface Quality: 40-20 Scratch / Dig; 60-40 Scratch / Dig; 60/40 S/D (Normal), or 40/20 S/D
• Thickness: 0.5000 to 3.18

• Window Shape: Circular; Square
• Window Material: Sapphire; Optical grade single crystal sapphire

Features: • Maximum diameter 300mm. • Windows made for Czochralski or Float Zone Silicon. • Transmission range 1.2-15 μm. • CZ silicon for MWIR (3-5 μm) and FZ silicon for LWIR (8-12 μm) applications. • Coating options: DLC coating, AR coating. • Low... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Parallelism or Wedge Angle: 1

• Window Shape: Square
• Windows Features: Anti-Reflection Coating

Features: • Maximum diameter 250mm. • CVD Grown Zinc Fluoride and Multispectral Zinc Sulfide (Cleartran). • Transmission range 0.4-14.0 μm (Multispectral Zinc Sulfide). • Excellent mechanical strength and chemical inertness for harsh environments (harder than ZnSe). •... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Parallelism or Wedge Angle: 1

• Window Shape: Square
• Windows Features: Anti-Reflection Coating

Features: • Maximum diameter 200mm. • CVD ZnSe grown in the USA. • Broad wavelength range covering 600nm to 16000nm and low IR absorption. • Low chromatic dispersion. • Coating options: AR@3-5 μm, AR@8-12 μm, BBAR@3-12 μm. Zinc Selenide (ZnSe) Windows are... [See More]

• Surface Quality: 60-40 Scratch / Dig; 60/40 S/D
• Parallelism or Wedge Angle: 1

• Window Shape: Square
• Windows Features: Anti-Reflection Coating