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| Categories | Optical Glass Lens |
|---|---|
| Brand Name: | Longway Glass |
| Model Number: | LW16042 |
| Certification: | ISO9001 |
| Place of Origin: | Shanghai, China |
| MOQ: | 500 pieces |
| Price: | NEGOTIATION |
| Payment Terms: | T/T,Western Union |
| Supply Ability: | 38000 Pieces per Month |
| Packaging Details: | electrolytic capacitor paper,foam,carton |
| Structure: | Prism |
| Material: | Optical glass |
| Surface: | Polished |
| Transmission: | over 90% |
| Coating: | available |
| Processing: | grinding and polishing |
| Application: | Optics and laser |
| OEM: | available |
| Company Info. |
| Shanghai Longway Special Glass Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
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.
| Item | Optical Prism |
| Material | Optical glass, Qurartz glass, borosilicate glass, |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15mm |
| Processed | by grinding, polishing |
| Surface Quality | 80/50,60/40,40/20 |
| Material Quality | no scratches and air bubble |
| Transmission | above 90% |
| Chamfer | 0.1-0.5 mm x 45° |
| Surface Coating | Available |



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