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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

D.01.04.02 Packaging

S.02.28 Infrared, IR measuring cell

S.01.10.01 Hydrogen, H

S.01.10.27 Multi gas analyzer (electronic nose)

S.01.10.13 Methane, CH4

S.01.10.24 Xenon, Xe

S.01.10.09 Volatile organic compound, VOC

S.01.10.20 Cyclic hydrocarbons

S.01.10.23 Dioxin

S.03.17 Optical component

S.01.10.17 Ethylene, C2H4

S.03.19 Optical mirror, reflector

D.01.04.01 Assembly and packaging

D.03.02.05 Gas sensor calibration

S.03.09 Protective coating

S.01.10.28 Flame sensor

S.01.10.12 Ammonia, NH3

M.05.04.09 Fixed gas measurement system

S.01.10.08 Nitrous oxides NOx

S.02.34 Semiconductor gas sensing element

S.01.10.07 Carbon dioxide, CO2

S.01.10.31 Laughing gas, nitrous oxide, N2O

S.01.10.30 Hydrochloric acid, HCl

S.01.10.04 Chlorine, gaseous, Cl

S.01.10.05 Nitrogen, N

S.01.10.15 Propane, C3H8

S.01.10.16 Acetylene, C2H2

S.01.10.02 Oxygen O, gaseous

M.04.10 Gas concentration

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

D.01.02.01 Measurement techniques and processes

D. Optical component

S.01.10.03 Ozone, O3

M. Moisture content testing system

S.01.10.11 Sulphur dioxide, SO2

S.03.30 Hermetically sealed housing

S.01.10.22 Sulfur hexafluoride, SF6

M.08.17 Infrared system

D.03.02.22 Sensors for distance, length, displacement

S.01.10.10 Hydrogen sulphide, H2S

S.01.10.19 Chlorofluorocarbon, CFC

S.01.10.21 Hydrofluorocarbons, HFC

S.01.10.25 Helium, He

S.01.10.29 Combustible (flammable) gases

M. Thermal imaging

S.01.10.26 Refrigerants

S.01.10.18 Chlorinated hydrocarbons, CHC

D. Substrate material

M.04.09 Chemical, biological, medical parameter

S.01.10.14 N-butane, C4H10

D. Optical lens

S.01.10.06 Carbon monoxide, CO

S.01.10.36 Further gas sensors, gas concentration

D.02.51 Multilayer coating

M.04.06 Optical parameter