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Daheng Optical Thin Film Center

No.7HaiyingRoad,Fengtai Science Park,Fengtai District
100070 Beijing
Phone+86 10 83681693
Fax+86 10 63792951

Daheng Optical Thin Film Center was estabilished in 1999, is one of subsidiaries of Daheng New Epoch Technology which is listed in China. OTF provides leading optics from Ultraviolet to infrared applied in kinds of fields.OTF mainly provide high precision Infrared-filters (for gas detection, flame detection, Temperature measurement etc.) Infrared substrates (Material: SI GE ZnS ZnSe Sapphire, BaF2, BaF2 MgF2 etc), Metalized window, TO Cap etc.

Product range

S.01.10.01 Hydrogen, H

S.01.10.02 Oxygen O, gaseous

S.01.10.03 Ozone, O3

S.01.10.04 Chlorine, gaseous, Cl

S.01.10.05 Nitrogen, N

S.01.10.06 Carbon monoxide, CO

S.01.10.07 Carbon dioxide, CO2

S.01.10.08 Nitrous oxides NOx

S.01.10.09 Volatile organic compound, VOC

S.01.10.10 Hydrogen sulphide, H2S

S.01.10.11 Sulphur dioxide, SO2

S.01.10.12 Ammonia, NH3

S.01.10.13 Methane, CH4

S.01.10.14 N-butane, C4H10

S.01.10.15 Propane, C3H8

S.01.10.16 Acetylene, C2H2

S.01.10.17 Ethylene, C2H4

S.01.10.18 Chlorinated hydrocarbons, CHC

S.01.10.19 Chlorofluorocarbon, CFC

S.01.10.20 Cyclic hydrocarbons

S.01.10.21 Hydrofluorocarbons, HFC

S.01.10.22 Sulfur hexafluoride, SF6

S.01.10.23 Dioxin

S.01.10.24 Xenon, Xe

S.01.10.25 Helium, He

S.01.10.26 Refrigerants

S.01.10.27 Multi gas analyzer (electronic nose)

S.01.10.28 Flame sensor

S.01.10.29 Combustible (flammable) gases

S.01.10.30 Hydrochloric acid, HCl

S.01.10.31 Laughing gas, nitrous oxide, N2O

S.01.10.34 Further gas sensors, gas concentration

S.02.28 Infrared, IR measuring cell

S.02.34 Semiconductor gas sensing element

S.03.09 Protective coating

S.03.17 Optical component

S.03.19 Optical mirror, reflector

S.03.30 Hermetically sealed housing

M.04.06 Optical parameter

M.04.09 Chemical, biological, medical parameter

M.04.10 Gas concentration

M.04.14 Multi gas (Ox, Tox, Ex)

M.05.04.09 Fixed gas measurement system

M.08.17 Infrared system

M. Moisture content testing system

M. Thermal imaging

D.01.02.01 Measurement techniques and processes

D. Substrate material

D. Optical component

D. Optical lens

D.01.04.01 Assembly and packaging

D.01.04.02 Packaging

D.02.51 Multilayer coating

D.03.02.05 Gas sensor calibration

D.03.02.22 Sensors for distance, length, displacement