N-BK7 Material Wedge Prism For Low-deviation Beam Bending In Optics

Brand Name:Longway Glass
Certification:ISO9001
Model Number:LW16042
Minimum Order Quantity:500 pieces
Payment Terms:T/T,Western Union
Place of Origin:Shanghai, China
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Location: Shanghai Shanghai China
Address: Rm. 2111, Bldg. A, Tomson Center, No. 188, Zhangyang Rd., Shanghai, China
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N-BK7 Material Wedge Prism For Low-deviation Beam Bending In Optics


Material:‌
1.N-BK7 Optical Glass‌: A high-quality borosilicate crown glass with exceptional homogeneity (refractive index: 1.5168 @ 587.6nm) and low bubble/inclusion content.
2.Precision Polishing‌: Surfaces polished to λ/10 flatness for minimal wavefront distortion.


Properties:‌
1.Low Angular Deviation‌: Designed for precise beam bending with deviation angles as low as ‌±1 arcminute‌, ensuring minimal beam displacement.
2.High Transmission‌: AR-coated options available (e.g., 350-700nm or 700-1100nm) to achieve ‌>99% transmission‌ per surface.
3.Thermal Stability‌: Low coefficient of thermal expansion (7.1×10⁻⁶/K) suits harsh environments (-30°C to 70°C).


Function:‌
1.Beam Steering‌: Bends light at a controlled angle (e.g., 1°–10°) without image inversion, ideal for laser alignment and optical path correction.
2.Dispersion Control‌: Minimizes chromatic aberration due to N-BK7’s uniform dispersion properties.


Applications:‌
1.Laser Systems‌: Used in fiber optic collimators, interferometers, and laser diode modules for beam shaping.
2.Industrial Metrology‌: Critical in autocollimators and alignment tools for precision manufacturing.
3.Defense & Aerospace‌: Integrated into targeting systems and LIDAR for stable beam redirection under vibration.


ItemOptical Prism
MaterialOptical glass, Qurartz glass, borosilicate glass,
Diameter Tolerance+0/-0.15 mm
Thickness Tolerance+/-0.15mm
Processedby grinding, polishing
Surface Quality80/50,60/40,40/20
Material Qualityno scratches and air bubble
Transmissionabove 90%
Chamfer0.1-0.5 mm x 45°
Surface CoatingAvailable







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N-BK7 Material Wedge Prism For Low-deviation Beam Bending In Optics

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