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Supplier: Changchun Yutai Optics Co., Ltd.
Description: Calcium Fluoride (CaF2) crystals, which are resistant to mechanical and thermal shocks, have transmittance in the UV, VIS and IR. Yutai Optics recommends using single crystal calcium fluoride to make lenses. What is the refractive index of CaF2? Calcium fluoride is
- Materials: Calcium Fluoride
- Surface Flatness: λ/4
- Surface Quality: 40-20 Scratch / Dig
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: Calcium fluoride has low fluorescence radiation and is a material for UV photodetectors, UV lasers and UV optical systems. Yutai Optics recommends single crystal calcium fluoride for lenses. Applications of CaF2 lenses 1. Laser technology; 2. Thermal imaging
- Materials: Calcium Fluoride
- Surface Flatness: λ/4
- Surface Quality: 40-20 Scratch / Dig
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Supplier: CRYSTECH, Inc.
Description: CRYSTECH is dedicated to manufacturing high precision spherical lens for solid-state leaser systems. We have over 20 years of experience in lens manufacturing, design, and coating. We provide these lenses with the material of BK7, fused silica, sapphire, CaF2,
- Lens Application: Infrared, Visible
- Lens Type: Cylindrical Lens, Meniscus
- Materials: BK7 Glass, Calcium Fluoride, Sapphire, Zinc Selenide, UV Grade Fused Silica
- Mounted: Yes
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Supplier: Changchun Sunday Optics Co., Ltd.
Description: molybdenum, silicon single crystal is the preferred substrate material for CO2 laser mirrors due to its advantages of good thermal conductivity, excellent thermal stability, low thermal expansion coefficient, relatively low density, low cost, easy precision processing and so on.
- Diameter / Length: 3 to 280 mm
- Lens Application: Infrared
- Surface Flatness: λ/10
- Surface Quality: 40-20 Scratch / Dig
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Supplier: Changchun Sunday Optics Co., Ltd.
Description: molybdenum, silicon single crystal is the preferred substrate material for CO2 laser mirrors due to its advantages of good thermal conductivity, excellent thermal stability, low thermal expansion coefficient, relatively low density, low cost, easy precision processing and so on.
- Diameter / Length: 3 to 280 mm
- Lens Application: Infrared
- Surface Flatness: λ/10
- Surface Quality: 40-20 Scratch / Dig
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Supplier: EKSMA OPTICS
Description: ), CaF2 (Calcium Fluoride) are available. Under customer's request lenses may be anti-reflection coated. Positive focal length Converge incident light form both real and virtual images Very close to the form minimizing spherical aberration for infinite conjugate applications
- Diameter / Length: 12.7 to 25.4 mm
- Focal Length: 25 to 1000 mm
- Lens Type: Cylindrical Lens
- Materials: Calcium Fluoride
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Description: damage threshold and thermal shock resistance suitable for excimer lasers • Standard CaF2 Plano concave lenses are available in uncoated versions, while custom coatings like BBAR, high-performance V-coatings, and MgF2 coatings • Applications: Infrared Lenses,
- Diameter / Length: 12.7 to 25.4 mm
- Lens Application: Infrared, Ultraviolet
- Surface Flatness: λ/4
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Description: ) • High laser damage threshold and thermal shock resistance suitable for excimer lasers • Standard CaF2 plano-convex lenses are available in uncoated versions, while custom coatings like BBAR, high-performance V-coatings, and MgF2 coatings • Applications: Infrared Optics
- Antireflection Coating: Yes
- Diameter / Length: 12.7 to 25.4 mm
- Lens Application: Infrared, Ultraviolet
- Materials: Calcium Fluoride, Other
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Supplier: Shanghai Optics
Description: manufacturing limit or custom specifications. Our design team would be happy to work with you as you determine the best optic for your specific application, and our broad range of precision equipment allows us to produce high quality windows to meet any requirements. We also carry CaF2
- Materials: Calcium Fluoride
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: Calcium Fluoride has good performance at optical and thermo-mechanical properties, it can be used for optical windows, spherical lens, prisms and cylinders within a wide range from 130nm to 9µm. It has optical properties of isotropy, low absorption and low refractive index, which made
- Lens Application: Infrared
- Materials: Calcium Fluoride
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Supplier: Changchun Sunday Optics Co., Ltd.
Description: : -Spectral range is 2-15µm -Low absorption coefficient and high thermal stability, good thermal shock resistance. -Coating Available:2-3um,3-10 um,4-12um,10.6um APPLICATION OF ZNSE -ZnSe Lens is used in the field of spectral analysis, laser optics, astronomy, medical
- Diameter / Length: 3 to 280 mm
- Lens Application: Infrared
- Surface Flatness: λ/10
- Surface Quality: 40-20 Scratch / Dig
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Supplier: Changchun Sunday Optics Co., Ltd.
Description: molybdenum, silicon single crystal is the preferred substrate material for CO2 laser mirrors due to its advantages of good thermal conductivity, excellent thermal stability, low thermal expansion coefficient, relatively low density, low cost, easy precision processing and so on.
- Diameter / Length: 3 to 280 mm
- Lens Application: Infrared
- Surface Flatness: λ/10
- Surface Quality: 40-20 Scratch / Dig
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Description: shape of cylindrical lens like rectangular, square, rod or circular, that are widely accepted by high laser diode or scanner imaging manufacturer. These cylinder lenses size can be from 1.2mm to 350mm, and material can be of glass and crystal like bk7, UVFS, silicon, and
- Diameter / Length: 1.2 to 350 mm
- Lens Application: Infrared, Visible, Ultraviolet
- Lens Type: Cylindrical Lens, Meniscus
- Materials: BK7 Glass, Calcium Fluoride, UV Grade Fused Silica, Other
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Supplier: Shanghai Optics
Description: are made of plastic because of the lightweight traits of plastic compared to glass. Thickness comparison between 1. Fresnel Lens and 2. Plano-Convex Lens Fresnel Lens concentric ring close-up view. How Does a Fresnel Lens Work? With a Fresnel lens, the
- Lens Type: Fresnel Lens
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Supplier: Shanghai Optics
Description: standards and uses state-of-the-art metrology equipment to test finished lenses for quality and performance. Choose from N-BK7 glass, UV fused silica, or CaF2 ,or other special materials specified by customers, all of which are available uncoated or with an antireflection coating
- Lens Application: Ultraviolet
- Lens Type: Cylindrical Lens
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Supplier: Shanghai Optics
Description: A Ball Lens consists of a highly transparent spherical ball, usually made of solid glass (fused silica) or another optical material with index of refraction less than 2. Most ball lenses are made with small diameters – a few millimeters or even less than a millimeter. The
- Lens Application: Visible, Ultraviolet
- Lens Type: Ball Lens, Spherical Lens
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Supplier: UNI OPTICS(Fujian) Co., Ltd
Description: 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
- Coating: Antireflective
- Diameter, Square Side, or Rectangular Length: 4 to 38.1 mm
- Materials: Calcium Fluoride
- Surface Quality: 60-40 Scratch / Dig
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Description: damage threshold and thermal shock resistance suitable for excimer lasers • Standard CaF2 Plano concave lenses are available in uncoated versions, while custom coatings like BBAR, high-performance V-coatings, and MgF2 coatings • Applications: Infrared Lenses,
- Diameter / Length: 25.4 mm
- Focal Length: -100 mm
- Lens Application: Infrared, Ultraviolet
- Materials: Calcium Fluoride, Other
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Description: damage threshold and thermal shock resistance suitable for excimer lasers • Standard CaF2 Plano concave lenses are available in uncoated versions, while custom coatings like BBAR, high-performance V-coatings, and MgF2 coatings • Applications: Infrared Lenses,
- Diameter / Length: 25.4 mm
- Focal Length: -500 mm
- Lens Application: Infrared, Ultraviolet
- Materials: Calcium Fluoride, Other
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Supplier: MOK Optics Co., Ltd.
Description: material MOK Optics can process: Optical glass - CDGM, SCHOTT, OHARA, HOYA UV grade fused silica - JGS1, Corning 7980 etc.IR grade fused silica - JGS3, Corning 7979 etc.IR crystals - Germanium, Sapphire, MgF2, CaF2, ZnSe, ZnS etc.
- Antireflection Coating: Yes
- Diameter / Length: 3 to 250 mm
- Laser / Heat Resistant: Yes
- Lens Type: Spherical Lens
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Supplier: Knight Optical (UK) Ltd
Description: -red. Calcium Fluoride is however cheaper than Barium Fluoride as the optical grade occurs naturally as opposed to BaF2 being man made. Knight Optical supply a range of quality CaF2 lenses either from stock or bespoke custom made to your specification for a range of
- Diameter / Length: 0.2000 mm
- Focal Length: 28.9 mm
- Lens Type: Cylindrical Lens
- Surface Quality: 60-40 Scratch / Dig
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Supplier: HG Optronics, Inc.
Description: optical crystal, laser crystal and inorganic scintillation crystal. It has a wide transmittance range (0.125-10 µm), and is widely used as optical medium from vacuum ultraviolet to mid infrared. CaF2 crystal is an ideal optical material for achromatic lenses because of its
- Diameter: 7.09 inch
- Material: Other / Specialty Material
- Optical Application: Infrared, Ultraviolet
- Refractive Index: 1.23 to 1.5 n
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Supplier: Zygo Corporation
Description: Computer Controlled Optical Surfacing Aspheres & precision sphere, flats, cylinders Can achieve: ›› 1 nm RMS surface figure, ›› 0.2 nm RMS surface roughness (glass) Configurable for glass, CaF2, Zerodur, ULE, SiC, Si, other
- Lens Type: Cylindrical Lens
- Materials: Other
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Supplier: CeNing Optics Co., Ltd.
Description: A Powell lens is used to generate a straight line with aspherical curvature on its apex, thereby outputting a line that has an even distribution of energy. For comparison, cylindrical lenses generate Gaussian beam profiles with hot-spot center points and fading edges. The uniformity of
- Antireflection Coating: Yes
- Diameter / Length: 9 mm
- Lens Application: Visible
- Lens Type: Aspheric Lens, Other
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Supplier: ECOPTIK (CHANGCHUN) LTD
Description: A cylindrical lens is typically used to focus, condense or expand incoming light. A cylindrical lens has one cylindrical surface, causing light to be focused in a single dimension or axis. It can also be used to expand the output of a laser diode into a symmetrical beam. Cylindrical
- Diameter / Length: 2 to 200 mm
- Lens Application: Visible
- Lens Type: Cylindrical Lens
- Materials: Sapphire, Other
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Supplier: Rocky Mountain Instrument/RMI Laser
Description: real and virtual images. Real images are focused and virtual images are magnified. Positive Meniscus Lenses are designed to minimize spherical aberration and are usually used in small f-number applications (f# <2.5). For 2.5 f#<10, meniscus lenses can also improve image
- Lens Type: Spherical Lens
- Materials: BK7 Glass, Calcium Fluoride, Germanium, Sapphire, Zinc Selenide, UV Grade Fused Silica, Other
- Surface Flatness: ?/4, ?/10, Other
- Surface Quality: 10-5 Scratch / Dig, 20-10 Scratch / Dig, 40-20 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: Greater than 90% Transmission from 350nm-7µm Low Index of Refraction Calcium Fluoride is often used in spectroscopic windows and lenses due to its high transmission from 350nm to 7µm. Calcium Fluoride is also commonly found in cryogenically cooled thermal
- Diameter / Length: 25.4 mm
- Materials: Calcium Fluoride
- Surface Quality: 60-40 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: Greater than 90% Transmission from 350nm-7µm Low Index of Refraction Calcium Fluoride is often used in spectroscopic windows and lenses due to its high transmission from 350nm to 7µm. Calcium Fluoride is also commonly found in cryogenically cooled thermal
- Diameter / Length: 25.4 mm
- Materials: Other
- Surface Quality: 60-40 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: Greater than 90% Transmission from 350nm-7µm Low Index of Refraction Calcium Fluoride is often used in spectroscopic windows and lenses due to its high transmission from 350nm to 7µm. Calcium Fluoride is also commonly found in cryogenically cooled thermal
- Diameter / Length: 25.4 mm
- Materials: Other
- Surface Quality: 60-40 Scratch / Dig
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Supplier: HG Optronics, Inc.
Description: lenses, double convex lenses, meniscus Lenses, Achromatic Lenses, Cylindrical Lenses, or Laser Generator Lenses, etc. 3.3?What’s the material of Laser Lenses? Optical colorless glass, Fused Silica, CaF2, Sapphire, Germanium, Silicon,
- Lens Type: Achromats, Cylindrical Lens, Meniscus, Other
- Materials: Calcium Fluoride, Germanium, Sapphire, Zinc Selenide, UV Grade Fused Silica, Other
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Supplier: Edmund Optics Inc.
Description: Greater than 90% Transmission from 350nm-7µm Low Index of Refraction Calcium Fluoride is often used in spectroscopic windows and lenses due to its high transmission from 350nm to 7µm. Calcium Fluoride is also commonly found in cryogenically cooled thermal
- Diameter / Length: 25.4 mm
- Materials: Calcium Fluoride
- Surface Quality: 60-40 Scratch / Dig
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Description: optical effect on design optical path. Typically in single-use defense applications and ocean exploration. Shapes can vary from hemispheric to custom size with coatings. ICC work with various kinds of material dome made in Bk7, Fused, ZnS, Sapphire, HP-MgF2/ZnS by our material growth and CNC
- Lens Application: Infrared, Visible, Ultraviolet
- Lens Type: Other
- Materials: BK7 Glass, Sapphire, UV Grade Fused Silica, Other
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Supplier: Thorlabs, Inc.
Description: versions are easier to align but are only recommended for general fiber-to-fiber coupling. The 1300 and 1560 nm lenses additionally feature an AR coating that reduces reflections at the interfaces to below 0.2% at the specified wavelengths, minimizing back reflections and insertion
- Antireflection Coating: Yes
- Diameter / Length: 1.8 mm
- Focal Length: 1.85 to 1.99 mm
- Lens Type: Gradient Index Lens
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Supplier: Foctek Photonics, Inc.
Description: Cylindrical lenses are used to correct astigmatism in the eye and in rangefinders, to produce astigmatism, stretching a point of light into a line, they are widely used in bar code scanning, projection optics systems, laser measurement systems and holography. Cylindrical lenses are
- Antireflection Coating: Yes
- Lens Type: Cylindrical Lens
- Materials: BK7 Glass, Other
- Surface Flatness: ?/2, ?/4, Other
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Supplier: DigiKey
Description: LENS RND CLEAR ADHESIVE
- LED Hardware: LED Lens
- LED Type: Other
- Lens Color: Clear
- Lens Style: Domed
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Supplier: HG Optronics, Inc.
Description: acombination of two different types of lenses carrying different focal powers in a manner such that the images formed by the light of both the combined lenses are free from chromatic aberration or achromatism. 6.2.What are achromatic lenses used for? Achromatic
- Antireflection Coating: Yes
- Diameter / Length: 6 to 25.4 mm
- Focal Length: -50 to 120 mm
- Lens Type: Achromats, Spherical Lens
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Supplier: Thorlabs, Inc.
Description: , UV fused silica, or CaF2, all of which are available uncoated or with an antireflection coating. We also offer round versions of our cylindrical lenses. For applications requiring minimal aberration, we offer acylindrical lenses and cylindrical achromatic doublets.
- Antireflection Coating: Yes
- Diameter / Length: 8 to 90 mm
- Focal Length: -1000 to 1000 mm
- Lens Application: Infrared, Visible, Ultraviolet
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): Abbe number: low (about 95.3), a high dispersion material. Refractive index: low (about 1.43 in the visible range). Transparent range: from UV to IR, especially excellent in the UV region. What are the advantages of triplet achromatic lenses made of CaF2 and fused (read more)
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: Zerodur, ULE, Glass, Ceramics, Si, CaF2 • Asphere Accuracy to λ/5000 RMS @ 633 nm • Off-axis mirrors without parent fabrication • Technologies: ›› Computer (read more)
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Material BK7, CaF2, Cleartran, Fused Silica, MgF2, Germanium etc Diameter 2~500mm Thickness (read more)
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(Ge), calcium fluoride (CaF2), magnesium fluoride (MgF2), zinc selenide (ZnSe), Zinc Sulfide (ZnS), gallium arsenide (GaAs), silicon (Si), etc. Custom Freeform Optics Design & Manufacturing Solutions Avantier is proud to be a premier producer of (read more)
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- Factory standard features: Diameter range of 2-50mm Scratch & Dig of 20/10 Sphericity of 0.05mm Surface Quality of 40-20 Diameter Tolerance of +/-0.05mm - Selection based on numerical aperture for fiber optics coupling - Common materials used: UV grade fused silica, sapphire, and BK7 (read more)
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(mm? Coating Focus lens Laser Grade CVD ZnSe 12 25.4/38.1/50.8/ 63.5/ 76.2/ 101 (read more)
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Custom CPV lens arrays as silicone-on-glass hybrid (SOG) Weather resistant and customizable in dimenions up to 1 m². Array dimensions and Fresnel lenses can be tailored to your solar module. ORAFOL Fresnel Optics is a key player in the CPV module market for more than a decade and can assist you in your development process. (read more)
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spherical, cylindrical, meniscus, aspherical, plano-concave, concave-convex, and plano-convex forms. Offered in various diameters, thicknesses, focal lengths, and configurations. CO2 laser lenses are typically supplied uncoated for performance; coatings are (read more)
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EETimes.com | Electronics Industry News for EEs & Engineering Managers
this week bolstered optimism about the prospects of 157-nm exposure tools because new information suggests intrinsic birefringence effects in calcium fluoride (CaF2) lens material can be managed, said International Sematech, which hosted the event. ESS rolls out single-chip DVD solution FREMONT, Calif
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EETimes.com | Electronics Industry News for EEs & Engineering Managers
awarded a contract by International Sematech to develop a measurement system that characterizes a major lens-aberration problem in 157-nm lithography tools. The proposed instrument will characterize and measure intrinsic birefringence in calcium fluoride (CaF2) materials in 157-nm tools. In May
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Fast camera objective designs for spectrograph of Mont Megantique telescope
The other 3 positive CaF2 lenses are used to undertake about more than 50 % power of the objective, and the correction of spherical aberrations, coma and astigmatism is obtained by varying the shapes of the lenses and the air space.
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Principles of Lithography
Fortunately, the birefringence in CaF2 can largely be corrected by using different [111] oriented CaF2 lens elements with their crystallographic axes rotated 60 deg relative to each other, and also by including pairs of elements100 of oriented material (the two elements in …
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Chemistry and Lithography
CaF2 has negligible intrinsic birefringence at long wavelengths, but at 193 nm and 157 nm, has appreciable birefringence.132 Remarkably, the bire- fringence of CaF2 can be easily corrected by using different [111]-oriented CaF2 lens elements with their crystallographic axes rotated …
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Test results of high-precision large cryogenic lens holders
The results of the analytical calculations led to the AR design illustrated in Figure 1-3, where the AR of the CaF2 lens is presented as an example.
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To PLAnetary Transit or not? An extremely large field of view camera with a CaF2 component tested in thermo-vacuum
We show how the CaF2 lens uneventfully succeeded to all the tests and handling procedures, and discuss the main results of the very intensive test campaign of the PLATO Telescope Optical Unit prototype.
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Analytic results for high-precision and cryogenic lens holders
With respect to the high sensitivity of the CaF2 lens , an alternative adaption ring design concept called “Fence” has been defined, which is illustrated in the following figure.
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Fabrication of microlens arrays in CaF2 by ion milling
Figure 10 illustrates the profiles of the resist lenses and the CaF2 lenses .
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Status of Elmer: an instrument for the GTC 10-m telescope
The second decision was to design and build in parallel an alternative field lens due to the advice of potential problems of breakage during manufacturing or even at the telescope with such a large CaF2 lens (see Section 4).
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Status of 157-nm optical lithography
The 111 oriented CaF2 lens material crystal axis along the lens axis has a trifold symmetry of its optical anisot- ropy, and the 100 material has four-fold symmetry.5 Op- tical design calculation revealed that clocking of pairs of lens elements …
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Copper Interconnect Technology
Figure 4.26 illustrates the experimental set up for a 157 nm-exposure system with four CaF2 lenses each measuring 2 × 4 cm2 in cross-section and 8 cm in length and are mounted on a sample holder inside a vacuum …