Narrow Optical Bandpass Filters / Glass Band Pass Filter for Iris Identification Camera

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 Glass Bandpass Interference Optical Filters for Iris Identification Camera



Bandpass Interference Filters





Optical Filters are used to selectively transmit or reject a wavelength or range of wavelengths. Optical Filters are used in applications such as fluorescence microscopy, spectroscopy, clinical chemistry, or machine vision inspection. Optical Filters are ideal for life science, imaging, industrial, or defense industries. GIAI Optics offers a variety of Optical Filters for many applications, including bandpass interference, notch, edge, dichroic, color substrate, or ND. GIAI Optics also offers highly durable hard coatings for applications that require high optical densities with maximum performance.

Bandpass Interference Filters are designed to transmit a portion of the spectrum, while rejecting all other wavelengths. Notch Filters reject a portion of the spectrum, while transmitting all other wavelengths. Edge or Dichroic Filters transmit wavelengths that are either greater than the cut-on or shorter than the cut-off wavelengths. Color Substrate Filters utilize the material’s inherent adsorption and transmission properties, while ND Filters evenly reduce transmission across a portion of the spectrum.



Competitive Advantage:


Bandpass Interference Filters,competitive price , good quality, delivery on time, providing perfect after-sales service, to provide customers with professional customized products of parameter. We will supply you with best solution.





Diameter (mm)


Diameter Tolerance (mm)


Clear Aperture CA


Thickness (mm)

0 .3-5             

Thickness Tolerance (mm)


Center Wavelength CWL (nm)


Center Wavelength CWL Tolerance (nm)


Full Width-Half Max FWHM (nm)


Full Width-Half Max FWHM Tolerance (nm)


Minimum Transmission (%)


Blocking Wavelength Range (nm)

200 - 1200

Optical Density OD


Surface Quality


Angle Sensitivity

Intended for Collimated Input

Operating Temperature (°C)

-50 to +75







Why us?


1 Service time:        24 hours waiting for you.

2.Fast Response:   2 hours within our worktime, 12 hours get off work.

3.Good Service:      We can supply you from design,measure to coating one stop service.

4. MOQ:                   No MOQ requirement, you can set your order freely.
5. After-sales service:  If bad quality, we will refund . 




 How to Order ?


Step 1. Send the inquiry at the bottom of the product.

Step 2. We will response or quote you within 24 hours.

Step 3. Place order through email, fax directly.


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Tel: 86-20-1714
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Giai Photonics Co.,Ltd
F2,block C,Shen Chang Gang Industry Park, Guangzhou, Guangdong, China (Mainland)
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