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Hangzhou Lambda Photonics Technology Supplies the IR filters and optics up to 25 micron. our processing facilities include the advanced fully automatic 1300mm box coater equipped with electron beam, ion assisted and resistance source, OMS, Crystal deposition controller, etc. Our in-house measurement equipments include advanced IR spectrophotometer which can measure IR reflectance and transmission up to 25 microns. This is our abilities:
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Substrates include:
- BK-7
- Calcium Fluoride (CaF2)
- Fused Silica
- Germanium (Ge)
- Sapphire
- Magnesium Fluoride (MgF2)
- Silicon (Si)
- Zinc Selenide (ZnSe)
- Zinc Sulfide (ZnS)
- Or as provided by the customer and more
Coating materials include:
- Alumina (Al2O3)
- Germanium (Ge)
- Silicon (Si)
- Silicon Monoxide (SiO)
- Silicon Oxide (SiO2)
- Titanium Dioxide (TiO2)
- Ytterbium Fluoride (YbF3)
- Tantalum Oxide (Ta2O5)
- Yttrium Fluoride (YF3)
- Zinc Selenide (ZnSe)
- Zinc Sulfide (ZnS)
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| Following are some of our typical IR coatings: |
1) edge filter at 7 ¦Ìm 
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2) band pass filter 3.75 ¦Ìm
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3) Narrow band pass filter 4.26 ¦Ìm
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