Optical Filters
Keywords:
Laser Crystals
Magneto-Optic Crystals
Scintillation Crystals
- Product Introduction
- Key advantages
- Application areas
- Product Features
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- Commodity name: Optical Filters
A filter is an optical component that allows light of specific wavelengths to pass through while reflecting or attenuating light from other wavelength ranges.
Overview of Optical Filters
Optical Filter is an optical component that allows light of specific wavelengths to pass through while reflecting or attenuating light from other wavelength ranges. Its key advantages include high peak transmittance, a flat transmission spectrum within the passband, excellent cutoff performance across a broad wavelength range, and good stability under varying humidity and temperature conditions.
Types of Optical Filters
Longpass flters, shortpass filters, narrowband filters, dichroic mirrors/beamsplitters, color filters, and neutral density filters.
Filter Processing Specifications
Filter Processing Specifications
Optional materials: Quartz, MgF₂, N-BK7 (Substrate)
Parameters
Standard
High precision
Effective Aperture
≥85%
≥90%
Parallelism
<3′
<20″
Dimensional Tolerance
±0.1 mm
±0.05mm
Wavefront Distortion
λ/4@632.8nm
λ/20@632.8nm
Surface Quality
40-20S/D
10-5S/D
Coating
Customized to Customer Specifications
Application Areas
Optical Filters are used in optical instruments, photography and videography, scientific observation and research, optical communications, industrial security, medical applications, machine vision—and more.
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Window films are widely used across multiple fields, including optical instruments, medicine, laser technology, security, defense industries, machine vision, industrial lenses, microscopes, imaging systems, industrial equipment, and more.
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