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Supplier: Spectral Optics
Description: wedged (30±5 arc min) windows fabricated from UV fused silica or BK7. These windows are polished on both sides with high flatness and high surface quality to handle high power laser applications as well as various industrial applications. They can be used as laser
- Diameter, Square Side, or Rectangular Length: 12.7 to 203 mm
- Materials: BK7 Glass, UV Grade Fused Silica
- Parallelism or Wedge Angle: 0.1667 to 30 arcmin
- Surface Flatness: ?/10
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Supplier: CRYSTECH, Inc.
Description: CRYSTECH is dedicated to manufacturing high precision windows for solid-state laser systems. We have over 20 years of experience in windows manufacturing, design, and coating. We offer a wide range of windows with different materials and different wavelengths. CRYSTECH own the
- Coating: None
- Materials: BK7 Glass, Calcium Fluoride, UV Grade Fused Silica, Specialty / Other
- Surface Quality: 20-10 Scratch / Dig
- Window Shape: Circular, Square, Rectangular
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Supplier: Shanghai Optics
Description: beam. BK7 Windows: Optical Properties and Applications A BK7 Window is an optical window made of high quality Schott glass. These windows have excellent optical quality, and feature uniform transmission in the visible as well as into the near
- Materials: BK7 Glass
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Supplier: Artifex Engineering
Description: Our BK7 windows are available with a high parallelism of 10 arc seconds, ideal for applications requiring minimal transmitted beam deviation.
- Coating: None
- Diameter, Square Side, or Rectangular Length: 5 to 50 mm
- Materials: BK7 Glass
- Surface Flatness: ?/2, ?/10
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: 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
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 180 arcmin
- Surface Flatness: ?/10
- Surface Quality: 60-40 Scratch / Dig
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Supplier: UNI OPTICS(Fujian) Co., Ltd
Description: 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.
- Coating: Antireflective
- Diameter, Square Side, or Rectangular Length: 2 to 350 mm
- Materials: BK7 Glass
- Surface Flatness: ?/2
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Supplier: HG Optronics, Inc.
Description: 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.
- Coating: Antireflective
- Diameter, Square Side, or Rectangular Length: 2 to 350 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 0.0500 to 3 arcmin
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Supplier: CeNing Optics Co., Ltd.
Description: N-BK7 is one of the most common glasses used to produce high-quality optical components, especially for the visible spectrum. It contains very few inclusions and is almost free of bubbles. It is a relatively hard material and has uniform transmission through-out the visible and near
- Coating: Antireflective
- Diameter, Square Side, or Rectangular Length: 10 to 50.8 mm
- Materials: BK7 Glass
- Surface Flatness: ?/4
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Supplier: Foctek Photonics, Inc.
Description: 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
- Coating: None, Antireflective
- Diameter, Square Side, or Rectangular Length: 10 to 50.8 mm
- Materials: BK7 Glass
- Surface Flatness: ?/2, ?/10
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Supplier: CASTECH, Inc.
Description: • Most sizes with ? /20 transmitted wavefront and 10-5 surface quality are available; • All kinds of coatings are available; • Custom designs for other sizes and coatings are also available upon request.
- Diameter, Square Side, or Rectangular Length: 12.7 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 5 arcmin
- Surface Flatness: ?/10
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Supplier: CASTECH, Inc.
Description: • Most sizes with ? /20 transmitted wavefront and 10-5 surface quality are available; • All kinds of coatings are available; • Custom designs for other sizes and coatings are also available upon request.
- Diameter, Square Side, or Rectangular Length: 12.7 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 5 arcmin
- Surface Flatness: ?/10
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Supplier: CASTECH, Inc.
Description: • Most sizes ? /20 transmitted wavefront, 10-5 surface quality; • All kinds of coatings are available; • Custom designs for other sizes and coatings are also available upon request.
- Diameter, Square Side, or Rectangular Length: 25.4 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 5 arcmin
- Surface Flatness: ?/10
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Supplier: CASTECH, Inc.
Description: • Most sizes ? /20 transmitted wavefront, 10-5 surface quality are available; • All kinds of coatings are available; • Custom designs for other sizes and coatings are also available upon request.
- Diameter, Square Side, or Rectangular Length: 25.4 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 5 arcmin
- Surface Flatness: ?/10
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: 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
- Parallelism or Wedge Angle: 180 arcmin
- Surface Flatness: λ/10
- Surface Quality: 60-40 Scratch / Dig
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Supplier: Rocky Mountain Instrument/RMI Laser
Description: Brewster Windows are windows designed for use at Brewster's angle (usually uncoated). This is the angle where only incident p-polarized light has 0% transmission loss. They are an economical option for coupling linearly polarized light into sealed optical systems and to select the
- Coating: None
- Materials: BK7 Glass, UV Grade Fused Silica, Specialty / Other
- Parallelism or Wedge Angle: 0.1667 to 5 arcmin
- Surface Flatness: ?/10
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Supplier: Changchun Sunday Optics Co., Ltd.
Description: Calcium fluoride has a high transmittance from ultraviolet to mid-infrared (250nm~7um), so it is widely used in the manufacture of prisms, Windows and lenses, In some applications with a wide spectrum range, it can be used directly without coating film, Especially, it has low
- Coating: Antireflective
- Diameter, Square Side, or Rectangular Length: 1 to 1000 mm
- Materials: BK7 Glass, Sapphire, UV Grade Fused Silica, Specialty / Other
- Surface Flatness: ?/10
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: 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
- Parallelism or Wedge Angle: 180 arcmin
- Surface Flatness: λ/10
- Surface Quality: 60-40 Scratch / Dig
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Supplier: Rocky Mountain Instrument/RMI Laser
Description: Plane Windows are used as substrates for a variety of applications, such as laser windows, output couplers, beamsplitters, beam combiners, mirrors, dichroic filters and plate polarizers. Considerations in selecting window substrates include transmission range, absorption
- Coating: None
- Materials: BK7 Glass, Calcium Fluoride, UV Grade Fused Silica, Specialty / Other
- Parallelism or Wedge Angle: 3 arcmin
- Surface Flatness: ?/4, ?/20, Other
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Supplier: Rocky Mountain Instrument/RMI Laser
Description: Parallel Windows are similar to Plane Windows, but with parallel surfaces. These windows are well suited for applications in which angular deviation of the transmitted beam must be kept as small as possible. Misalignment errors are also minimized when the window is
- Coating: None
- Materials: BK7 Glass, Calcium Fluoride, Germanium, Sapphire, UV Grade Fused Silica, Zinc Selenide, Specialty / Other
- Parallelism or Wedge Angle: 5 arcmin
- Surface Flatness: ?/4, ?/20, Other
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Supplier: Argyle International, Inc.
Description: We do windows! Substrates of glass, metal, Pyrex®, Zerodur®, or other materials. Round, elliptical, or rectangular Custom designs Coated or uncoated Parallelism to 1 sec Finish to 10/5 Flatness
- Coating: Antireflective, Conductive
- Materials: BK7 Glass, Crown Glass, Calcium Fluoride, Germanium, Sapphire, UV Grade Fused Silica, Zinc Selenide, Specialty / Other
- Parallelism or Wedge Angle: 0.0167 arcmin
- Surface Flatness: ?/10
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: 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
- Parallelism or Wedge Angle: 180 arcmin
- Surface Flatness: λ/10
- Surface Quality: 60-40 Scratch / Dig
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Supplier: MOK Optics Co., Ltd.
Description: MOK optics produce extensive optical windows, which are made from different materials. H-K9L / N-BK7 window UV / IR fused silica window Laser optics Sapphire window Germanium window (AR coating+ DLC coating)CaF2 window MgF2 window
- Coating: Antireflective
- Diameter, Square Side, or Rectangular Length: 3 to 200 mm
- Materials: BK7 Glass, Specialty / Other
- Parallelism or Wedge Angle: 0.5000 arcmin
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Supplier: Ross Optical Industries
Description: 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
- Coating: None, Antireflective, Conductive
- Diameter, Square Side, or Rectangular Length: 25 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 0.5000 arcmin
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Supplier: Ross Optical Industries
Description: 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
- Coating: None, Antireflective, Conductive
- Diameter, Square Side, or Rectangular Length: 25 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 3 arcmin
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Supplier: Edmund Optics Inc.
Description: Ultra-Thin 0.20mm Thickness Precision N-BK7 Substrate Extremely Lightweight TECHSPEC® Ultra-Thin N-BK7 Windows are our thinnest windows available and are at least 1/10 the thickness of our traditional N-BK7 windows. Their extremely thin
- Diameter, Square Side, or Rectangular Length: 50 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 0.5000 arcmin
- Surface Quality: 40-20 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: Ultra-Thin 0.20mm Thickness Precision N-BK7 Substrate Extremely Lightweight TECHSPEC® Ultra-Thin N-BK7 Windows are our thinnest windows available and are at least 1/10 the thickness of our traditional N-BK7 windows. Their extremely thin
- Diameter, Square Side, or Rectangular Length: 12.5 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 0.5000 arcmin
- Surface Quality: 20-10 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: Ultra-Thin 0.20mm Thickness Precision N-BK7 Substrate Extremely Lightweight TECHSPEC® Ultra-Thin N-BK7 Windows are our thinnest windows available and are at least 1/10 the thickness of our traditional N-BK7 windows. Their extremely thin
- Diameter, Square Side, or Rectangular Length: 30 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 0.5000 arcmin
- Surface Quality: 20-10 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: Ultra-Thin 0.20mm Thickness Precision N-BK7 Substrate Extremely Lightweight TECHSPEC® Ultra-Thin N-BK7 Windows are our thinnest windows available and are at least 1/10 the thickness of our traditional N-BK7 windows. Their extremely thin
- Diameter, Square Side, or Rectangular Length: 20 mm
- Materials: BK7 Glass
- Parallelism or Wedge Angle: 0.5000 arcmin
- Surface Quality: 20-10 Scratch / Dig
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Description: Intrinsic have very strong ability for the optical windows, we have three fabrication technique of pitch polishing, double side polishing and contact polishing to supply windows size from 1.2mm to 350mm with thickness from 0.12mm to 60mm, and the shape can be round, square, drilled,
- Materials: BK7 Glass, Calcium Fluoride, Germanium, Sapphire, UV Grade Fused Silica, Zinc Selenide, Specialty / Other
- Window Shape: Circular, Square, Rectangular
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Supplier: Advanced Optics, Inc.
Description: When a catalog optical window won't work in your design, Advanced Optics can help. Our skilled team of professionals have over 50 years of experience crafting custom optical windows and can meet the requirements of your unique project. We accomplish this by carefully listening to your
- Coating: None, Antireflective
- Diameter, Square Side, or Rectangular Length: 3.17 to 203 mm
- Materials: BK7 Glass, Crown Glass, UV Grade Fused Silica, Specialty / Other
- Rectangular Width: 3.17 to 203 mm
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Supplier: Thorlabs, Inc.
Description: ourselves how we can make the entire process of finding, understanding, purchasing, and using a product more efficient. By saving you time, we enhance your productivity, which allows us all to foster the continued forward movement of photonics. Thorlabs offers both flat and wedged windows
- Coating: None, Antireflective
- Diameter, Square Side, or Rectangular Length: 25.4 mm
- Materials: BK7 Glass, UV Grade Fused Silica
- Parallelism or Wedge Angle: 30 arcmin
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Supplier: Rainbow Research Optics, Inc.
Description: Optical Windows are often used to create a physical barrier between two different environments – preventing two gases from mixing together, separating liquids from the air, keeping a sealed system in a vacuum. In many optical systems, a window is used to protect more expensive
- Coating: None, Antireflective
- Materials: BK7 Glass, Calcium Fluoride, Germanium, Sapphire, UV Grade Fused Silica, Zinc Selenide, Specialty / Other
- Surface Flatness: ?/10
- Surface Quality: 10-5 Scratch / Dig
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Supplier: JELD-WEN, Inc.
Description: Built from Auralast® Wood (Pine) for guaranteed 20-year protection against wood rot and termites. Options include 7 clad colors, 10 interior factory finishes, decorative grilles and ENERGY STAR®.
- Features: Argon/Krypton filled, Low E Glass
- Frame Material: Wood
- New Construction: Yes
- Replacement: Yes
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Supplier: EKSMA OPTICS
Description: We offer two substrate materials, spanning a range of thermal expansion coefficients. For applications in which thermal shock is absent and thermal stability is not critical, BK7 glass is a suitable and inexpensive material. For applications requiring high thermal stability or
- Diameter, Square Side, or Rectangular Length: 12.7 to 50.8 mm
- Materials: BK7 Glass, UV Grade Fused Silica
- Surface Quality: 20-10 Scratch / Dig
- Thickness: 3 to 10 mm
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Supplier: Tower Optical Corporation
Description: materials and a variety of anti-reflecting coatings that can be deposited on the windows. Tower Optical manufactures windows from BK7, UV Grade Fused Silica and Sapphire. Other materials are available on a custom basis. In addition, we offer three different quality
- Coating: Antireflective
- Diameter, Square Side, or Rectangular Length: 5 to 50 mm
- Materials: BK7 Glass, Sapphire, UV Grade Fused Silica
- Parallelism or Wedge Angle: 0.1667 to 1 arcmin
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Surface Quality Specifications for BK7 Windows The surface quality of our optical windows is determined using a two-part scratch dig number system, in accordance with U.S. Military Performance Specification MIL-PRF-13830B. The first number characterizes the (read more)
Browse Optical Windows Datasheets for Avantier Inc. -
+ B?O? + K?O What is the role of the BK7 (K9) window in the visible wavelength? Use: protect sensitive optical (read more)
Browse Optical Windows Datasheets for Changchun Yutai Optics Co., Ltd. -
additional benefits of UV fused silica. H-K9L(N-BK7) is probably the most common optical glass used in high-quality optical components. It also has a low bubble and inclusion content, making it a useful glass for precision lenses.All of these H-K9L(N-BK7) high precision windows can be uncoated or with broadband AR coatings: 350 - 700 nm (VIS wavelength), 650 - 1050 nm , or 1050 - 1700 nm. (read more)
Browse Optical Windows Datasheets for Changchun Yutai Optics Co., Ltd. -
. Microscopy imaging system Compact design for easy integration of multi-layer optics. Specifications: Material:BK7,fused Silica,Sapphire Diameter (read more)
Browse Optical Windows Datasheets for Changchun Yutai Optics Co., Ltd. -
Product Performance: 1. mechanical properties Density ρ: 2.23 ± 0.02g / cm3 Mohs hardness: greater than 7 2. Thermodynamic Properties Thermal expansion coefficient: (0-300 ° C) (3 (read more)
Browse Optical Windows Datasheets for Changchun Yutai Optics Co., Ltd. -
Germanium windows have become the avant-garde choice for advanced optical applications, particularly in the infrared (IR) spectrum. Their exceptional properties offer a plethora of advantages that make them highly sought after for rugged environments: Broad Transmission (read more)
Browse Optical Windows Datasheets for Avantier Inc. -
Selection requires a trade-off between performance and cost based on specific needs. What are the applications of BK7 domes? Shield: protects the internal optics or sensor. Optical window: window element in an optical system. Sensor (read more)
Browse Optical Lenses Datasheets for Changchun Yutai Optics Co., Ltd. -
material is Zamak 5#((ASTM AC41A Zinc alloy 4-1) by die-casting with zinc plating. Die-casting materials can be Zamak 2#(ASTM AC43A)?Zamak 3 (ASTM AG40A)?Zamak 7 (ASTM AG40B) We also can supply Door and Window sliding wheels system (read more)
Browse Metal Casting Services Datasheets for Running Industry Co., Ltd -
, Cordierite, BK-7 and more. When companies need to scale up the size of their windows and mirrors while maintaining the most exacting of optical specifications, the competence of a chosen partner is essential. With a large window there can be significant pressure from the airframe and it is (read more)
Browse Optical and Light Microscopes Datasheets for Zygo Corporation -
Optimized data interfaces for Smart Designer configuration software, EPLAN, Microsoft Excel, CSV Supported operating systems: Windows 10 Windows 8 Windows 7 64 Bit System requirements: 3 Gigahertz (GHz) or faster, 64-bit (x64 (read more)
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Sapphire Windows Application
window materials we supply are Quartz, Calcium Fluoride, BK-7
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Double Surface Super-Polishing Technique
Hangzhou Shalom EO has successfully developed a double surface polishing method for processing high precision optical windows or substrates, made from N-BK7 and UV Fused Silica, which are one of the most crucial components for Femto-line laser systems.
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Anti-Reflection Coatings
Optical coatings can be critical in an application. Coatings are used to either increase the transmission of light by reducing back reflections (as in the case of lenses, windows, etc.) or to increase the reflectivity of light (as in the case of mirrors). Different coatings can achieve different
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Comparison of Topas cyclic olefin copolymers to BK7 glass in night vision goggle objectives
In Figure 2 Elements #5 and #6 are either the Topas COC or BK7 windows .
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Continued advancement of laser damage resistant optically functional microstructures
… and 2 IBS thin-film AR coated UV grade fused silica windows purchased from CVI, 2 untreated and 2 Random ARMs treated Corning 7980 fused silica windows, 2 untreated and 3 Random ARMs treated Schott N- BK7 windows , and 2 untreated and …
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Direct group-delay measurement and 3D profilometry using a white-light interferometer
Figure 2(a) shows the integrated fringe pattern produced by the dispersion of a BK7 window (thickness: 9.730±0.01mm) in the modified Mach-Zehnder configuration.
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Ultrafine measurements of the thermal shift of Fabry-Perot resonances
We describe the structure of our bench and present the results obtained on BK7 windows as well as on an optically contacted ULE Fabry-Perot with silver coatings.
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VUV irradiance measurement of a 2.45 GHz microwave-driven hydrogen discharge
The VUV-irradiance in the entire UV-range (100–250nm) and in emission bands characteristic to hydrogen (110–130nm, 150–180nm and 180–220nm) have been measured by filtering the emission spectrum with UV-FS/ BK7 windows or VUV optical bandpass filters.
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Performance Optimization Of The B I S Optical System
The Cap Window glass is a 15.5 - inch diameter by 1.5 -inch thick BK7 window .
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https://uwspace.uwaterloo.ca/bitstream/handle/10012/7630/Mazurek_Michael.pdf?sequence=1
A stack of BK7 glass in the reference arm introduces dispersion equal to that of the static optical elements in the sam- ple arm, including the BK7 window and water layer in the sample holder, but excluding the samples themselves.
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https://uwspace.uwaterloo.ca/bitstream/handle/10012/4039/Masters%20Thesis_Prabakar%20Puvanathasan_v2.pdf?sequence=1
Data was acquired under three different conditions: i) with dispersion compensated OCT system (dispersion is matched for the front interface of the glass coverslip), ii) with a dispersion mis- matched OCT system, with 19mm thick BK7 window placed before the sample and …
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Integrated Optomechanical Analysis
Figure 8.13 BK7 window design strength time-to-failure curve.
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Design of the wavefront sensor unit of ARGOS, the LBT laser guide star
system
… nr and nd represent the material refraction index re- spectively at the shorter wavelength, at the longer one and at 587.6nm the longitudinal chromatic shift expected in a f15 beam passing through a 40mm thick BK7 window is showed in figure …