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Optical Filters:

Optical filters are parts which allow some special wavelengths of light to transmit. Our holding produces different kinds of optical filters including Narrow Band Pass Filters, Edge Filters and Beam Splitters. These filters are made in multi-layer optical thickness to meet the spectra requirements. Coating with variety of layers are optimized using hundreds of targets for merit functions, also We can customize our products based on your requirement with high quality.

 

 

 

 

 

Edge Filters

Specifications:

Edge Filters are made using high-tech instruments and special optical coating systems in difficult processes. These kinds of filters are categorized in two general groups:

  1. Long Wave Pass Filters which have more than 90% transmission.
  2. Short Wave Pass Filters which have less than 1% transmission.

We fabricate Filters with high quality materials using VTC-1000 coating system. We produce Edge Filters in different sizes that are convenient for variety of Optical instruments.

Environmental Testing:

Adhesion: MIL-F-4816

Thermal stress: MIL-F-4816

Indentation: MIL-F-4816

 

 

Narrow Band Pass Filters:

Specifications:

A band-pass filter (also spelled band-pass) is an optical part that passes wavelengths within a certain range and rejects (attenuates) wavelengths outside that range.

Narrow band-pass filters are designed to isolate a narrow region of the infrared spectrum. This is accomplished using a complex process of constructive and destructive interference.

Environmental Testing:

Adhesion: MIL-F-4816

Thermal stress: MIL-F-4816

Indentation: MIL-F-4816

Description:

Narrow band pass filters have bandwidths (measured at half-peak transmittance levels) less than 6% of the center of wavelength value. When ordering, the bandwidth can be expressed as a percentage of the center wavelength, or can be given in micron.

The filters exhibit high peak transmission (typically greater than 80%) combined with high attenuation levels outside the pass band (typically less than 0.1%).

Our company has lots of experiences to fabricate 1064 narrow band pass filters and also our customers always are satisfied for buying these products.

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