We offer a broad range of optical coatings:

Varieties of substrate: LiNbO3 (LN), CaCO3, DKDP, LiIO3(LI), YAB, YLF, YAG, KTP, BBO, Quartz, BK7 glass and all kinds of optical glass.
Specification: reflection (R) <0.2% per surface at 1064 nm etc.

2. Antireflective Coatings (For SHG):

Reflection: R <= 0.5% per surface at 532 nm and 1064 nm.

3. Broadband Antireflective coatings

Reflection: R <= 0.5% at 420 ~ 750 nm per surface (average).

R <= 1% per surface at 1064 nm and 420 ~ 650 nm

5. Narrow band interference filters:

Wavelength: 532 nm, 632.8 nm, 1064 nm, 4260 nm, 4700 nm.

6. Multispectral filters

Wave band ranges: 500 ~ 600, 600 ~ 700, 700 ~ 800, 800 ~ 1100 nm.

7. Reflectors for laser lines

Reflection: R% = 20 ± 2, 30 ± 2, 40 ± 2, 50 ± 2, 60 ± 2, 70 ± 2, 80 ± 2, 99.5, etc.
Wavelength: 532, 632.8, 694.3, 1064, 1300,1550 nm, etc.

8. Highly efficient broadband multi-layer antireflective coating:

Transmission(T) >= 95% (average), 8 ~ 12 micron.

9. Broadband dichroic filters

Transmission: T >= 85% at 400 ~ 800 nm per surface (average)
Reflection: R >= 80% at 3000 ~ 5000 nm; R >= 90% at 5000 ~ 25000 nm.

10. Infra-red interference filter

Wavelength: 3450 nm

Used for the surfaces of IR optical system (wear-proof) hardness near to that of diamond.Transmission is better than 94% in 3 ~ 5 µm or 8 ~12 µm.