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Infrared Filter
| OP-Unite can supply long-wave
pass filter, short wave pass filter, wide band pass filter, narrow
band pass filter, super narrow band pass filter and high reflection
filter etc. It covering 1um to 40 um. The infrared filter is widely
used in Monitoring, Temperature Sensing, And Thermal Imaging. |
General
Specifications |
Parameter |
Commercial Grade |
Substrate Material |
Silicon or Germanium |
Diameter Tolerance |
+0/-0.2mm |
Clear Aperture |
>Central 85% of diameter |
Surface Quality |
60-40 S/D |
Parallelism |
< 3 arc minutes |
Surface Accuracy |
Power <5 fringes (2.5¦Ë); Irregularity 1
fringe (¦Ë/2) |
Chamfer |
0.25mm-0.5mm x 45¡ã |
Coating |
Uncoated, coatings are available upon
request |
Infrared Filters Standard
Products:
Part No. |
Cut off Wavelength |
Transmission Region |
Average Transmittance |
FIR0101 |
2.5um |
2.8-4.0um |
£¾80% |
FIR0102 |
3.0um |
3.3-5.0um |
£¾80% |
FIR0103 |
4.0um |
4.3-6.0um |
£¾80% |
FIR0104 |
5.0um |
5.3-6.0um |
£¾80% |
FIR0105 |
8.0um |
8.5-14.0um |
£¾80% |
FIR0106 |
14.0um |
14.5-20.0um |
£¾80% |
Note: IR-CUT Filters are upon requirement. OP-Unite is an OEM manufacturer, and we don't have
much standard products in stock. So please contact us for your
custom optics. We will do strictly according to your requirements.
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