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Supplier: SCHOTT AG
Description: glass manufactured by SCHOTT using a special down-draw method that the company developed on its own. This makes it possible to manufacture products of between 0.03 mm and 1.1 mm in thickness. SCHOTT offers B 270® i crown glass in sheet glass form to meet a wide variety of
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Supplier: American Precision Glass Corp.
Description: American Precision Glass Corp. Over 50 years experience in manufacturing precision technical glass products, coupled with state-of-the-art equipment and a dedication to excellence makes American Precision Glass the clear leader for your custom glass fabrication needs.
- Surface Quality: 20-10 Scratch / Dig, 40-20 Scratch / Dig, 60-40 Scratch / Dig, 80-50 Scratch / Dig
- Capabilities: Coatings, Design, Grinding and Polishing, High Volume Production, Prototyping, Sizing and Shaping
- Optic Type: Filters, Laser Optics, Lenses, Mirrors, Prisms, Wedges, Windows
- Material: Glass
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Supplier: Newport MKS
Description: The 40540 Focusing Lens is used to focus a collimated beam from a light source onto a glass fiber. This 1.5 inch (38.1 mm) diameter plano-convex lens is made with Select quality Borosilicate Crown Glass (N-BK7/A). It has a 50 mm focal length and a 330 to 2200 nm range.
- Diameter / Length: 38.1 mm
- Diameter: 38.1 mm
- Center Thickness: 10.200000000000001 mm
- Surface Quality: 60-40 Scratch / Dig
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Supplier: Newport MKS
Description: The 39225 Focusing Lens is used with the 77259 Focusing Lens Assembly. It is a 1.5 inch (38.1 mm) diameter, Borosilicate Crown Glass, Bi-convex Lens with a 75 mm Focal Length. Bi-convex lenses are for imaging with little change in magnification. 330 to 2200 nm wavelength range.
- Focal Length: 74.80000000000001 mm
- Diameter / Length: 38.1 mm
- Diameter: 38.1 mm
- Center Thickness: 6.5 mm
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Supplier: Newport MKS
Description: The 39223 Focusing Lens is used with the 77259 Focusing Lens Assembly. It is a 1.5 inch (38.1 mm) diameter, Borosilicate Crown Glass, Bi-convex Lens with a 50 mm Focal Length. Bi-convex lenses are for imaging with little change in magnification. 330 to 2200 nm wavelength range.
- Focal Length: 49.400000000000006 mm
- Diameter / Length: 38.1 mm
- Diameter: 38.1 mm
- Center Thickness: 9.100000000000001 mm
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Supplier: Newport MKS
Description: The 39213 Focusing Lens is used with the 77330 Focusing Lens Assembly. It is a 1 inch (25.4 mm) diameter, Borosilicate Crown Glass, Bi-convex Lens with a 33 mm Focal Length. Bi-convex lenses are for imaging with little change in magnification. 330 to 2200 nm wavelength range.
- Focal Length: 30.7 mm
- Diameter / Length: 25.400000000000002 mm
- Diameter: 25.400000000000002 mm
- Center Thickness: 6.700000000000001 mm
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Supplier: Shanghai Optics
Description: factory is equipped with state of the art manufacturing and meteorology equipment, and we run careful quality checks on every optic that is produced in our factory. Factory Standard Our spherical mirrors are manufactured from BK7 with a metallic coating. BK7, Schott borosilicate glass,
- Mirror Materials: BK7 Glass, Optical Crown Glass
- Mirror Coatings: Bare Aluminum
- Mirror Types: Spherical Mirror
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Supplier: Shanghai Optics
Description: or internal reflectors with a wide angle of incidence. Right Angle Mirror Substrate and Coatings Our right angle mirrors are manufactured from BK7, Schott optical borosilicate-crown glass, and have an enhanced aluminum, protected silver, or protected gold coating. Enhanced
- Mirror Materials: BK7 Glass, Optical Crown Glass
- Mirror Coatings: Enhanced Aluminum, Protected Gold, Silver
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Supplier: Shanghai Optics
Description: however, have a wider field of view. Coating and Substrate Convex Spherical Mirrors are manufactured from high quality BK7 Grade A optical glass, Corning Fused Silica 7980, JGS1, JGS2. BK7, Schott borosilicate-crown glass, has a high refractive index homogeneity and
- Mirror Materials: BK7 Glass, Fused Silica, Optical Crown Glass, UV Grade Fused Silica
- Mirror Coatings: Enhanced Aluminum, Protected Gold
- Mirror Types: Spherical Mirror
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: BK7 lens is a lens made of BK7 optical glass, which is a common borosilicate crown glass. What is the application of BK7 Lenses? The main applications of BK7 lenses include: 1. Optical imaging systems: used in cameras, microscopes, telescopes and other equipment to
- Surface Flatness: λ/4
- Surface Quality: 40-20 Scratch / Dig
- Materials: BK7 Glass, UV Grade Fused Silica
- Lens Application: Ultraviolet
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Supplier: Shanghai Optics
Description: and a clear, almost colorless appearance. Our BK7 windows are manufactured from Schott Optical borosilicate-crown glass. This glass has virtually no bubbles or inclusions, and is produced from very pure raw materials. Shanghai Optics BK7 windows are suitable for demanding
- Window Material: BK7 Glass
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Supplier: Changchun Yutai Optics Co., Ltd.
Description: 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
- Parallelism or Wedge Angle: 180 arcmin
- Surface Flatness: λ/10
- Surface Quality: 60-40 Scratch / Dig
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Description: one-dimensional lines.Another application of Plano-concave cylindrical lenses is to correct for astigmatism and the elliptical shape of the laser beam. N-BK7 or its equivalent known as H-K9L is a ROHS-compliant borosilicate crown glass with superior optical excellence and the
- Materials: BK7 Glass
- Features: Other
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Description: beam become a linear laser line, another fundamental use of Plano-convex cylindrical lenses is anamorphic beam shaping. N-BK7 or its equivalent known as H-K9L is a ROHS-compliant borosilicate crown glass with superior optical excellence and the glass is fine annealed and
- Materials: BK7 Glass
- Features: Other
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Description: one-dimensional lines.Another application of Plano-concave cylindrical lenses is to correct for astigmatism and the elliptical shape of the laser beam. N-BK7 or its equivalent known as H-K9L is a ROHS-compliant borosilicate crown glass with superior optical excellence and the
- Focal Length: -200 mm
- Center Thickness: 3 mm
- Edge Thickness: 4 mm
- Surface Quality: 60-40 Scratch / Dig
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Description: one-dimensional lines.Another application of Plano-concave cylindrical lenses is to correct for astigmatism and the elliptical shape of the laser beam. N-BK7 or its equivalent known as H-K9L is a ROHS-compliant borosilicate crown glass with superior optical excellence and the
- Focal Length: -62.900000000000006 mm
- Center Thickness: 2 mm
- Edge Thickness: 13.6 mm
- Surface Quality: 60-40 Scratch / Dig
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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 (read more)
Browse Optical Windows Datasheets for Changchun Yutai Optics Co., Ltd.
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A Model of Structural Relaxation in Glass
Ritland3convincingly demonstrated the memory effect in a borosilicate crown glass by reheating “rate-cooled’’ and “soaked” specimens having identical fictive temperatures.
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Cracking and the Indentation Size Effect for Knoop Hardness of Glasses
The aluminosilicate glass was a heat-shock- resisting glass with the ability to withstand higher temperatures than the borosilicates.22 The borosilicate crown glass test piece was an optical-grade glass with much greater network modifier content than the borosilicate glass, yet …
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Fracture Mechanics of Ceramics
The borosilicate crown glass test piece was a 76 mm diameterÂ5:6 mm thick polished disk cut from a larger block.
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Dictionary of Ceramic Science and Engineering
When fused they produce glasses with lower fusion temperatures and a longer working viscous range that makes them useful; Pyrex glass is an example. borosilicate crown glass . Noun.
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Dictionary of Gems and Gemology
® Acceptor. boron nitride; ® borazon. borosilicate crown glasses ; ® borosilicate glasses. borosilicate glass; colorless to pale blue, very hard glass of sodium, boron, silica glass.
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TRANSFORMATION REGION OF GLASS *
FIG.3.-Measurements obtained on a borosilicate crown glass ; curves show refractive index and coefficient of ex- pansion as function of temperature from which a well- annealed glass was quenched.
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Relation Between Refractive Index and Density of a Glass at Constant Temperature
Data are presented on the changes in the room‐temperature refractive index and density of a borosilicate crown glass produced by different heat‐treatments.
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Limitations of the Fictive Temperature Concept
Abstr., 1954,-September, p. 1g9b: 3 H. N. Ritland, “Density Phenomena in Transformation Range of a Borosilicate Crown Glass ,” J .
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Extended Glass‐Transition Range
Representative samples of borosilicate crown glass before and after spherule formation (X27).
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Fracture of Glass in Vacuum
(A) Borosilicate crown glass , (B)61%lead glass, (C) soda-lime silicate glass, and (0)aluminosilicate glass.