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| Brand Name : | LONGWAY |
| Model Number : | LW16092235 |
| Certification : | ISO9001 |
| Price : | NEGOTIATION |
| Payment Terms : | D/P,T/T,Western Union |
| Supply Ability : | 8000 Pieces per Month |
Low-Dispersion Focusing Convex Achromatic Lens for Collimators
1. Material Composition:
Low-Dispersion Glass: Combines specialized glasses (e.g., ED glass, FK61, or N-BK7/F2 achromatic pair) to minimize chromatic aberration.
Precision Optical Substrate: High homogeneity glass with λ/4 surface accuracy and laser-grade polishing.
2. Key Properties:
Chromatic Aberration Correction: Eliminates multi-wavelength focal shift for precise beam alignment.
High Numerical Aperture (NA): Enables efficient light collection and tight focusing capabilities.
Thermal Stability: Low thermal expansion coefficient maintains performance in varying temperatures.
AR Coating Options: Broadband or wavelength-specific anti-reflective coatings (>99.2% transmission).
3. Core Functions:
Beam Collimation: Converts divergent light into a parallel beam with minimal spherical/chromatic errors.
Focusing Optics: Precisely concentrates polychromatic light to a single point for imaging or laser systems.
Wavefront Correction: Compensates for aberrations in complex optical assemblies.
4. Applications:
Laser Collimators: Fiber-coupled laser systems, Lidar, and interferometry devices.
Microscopy: Confocal and fluorescence microscope objectives requiring achromatic performance.
Spectroscopy: Monochromator entrance/exit optics and spectrometer focusing modules.
Telecommunications: EDFA and WDM system collimation/focusing components.
| Name | Optical Achromatic Lens |
| Material | Optical glass, Qurartz glass, borosilicate glass |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15mm |
| Processed | by grinding, polishing |
| Surface Quality | 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 |
| Usage | Photography, Lighting system |



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| Company Info. |
| Shanghai Longway Special Glass Co., Ltd. |
| Verified Supplier |
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