Etalon / Custom-made_Etalon

Etalon is made of two parallel high reflecting mirrors and used as a narrow band filter. Widely used in astronomical observation and interferometer measurement.

Contact us

Part Number
◦The etalons are customized according to your application; we are proposing 4 basic choices. Please see the illustrations.
◦Please fill your requirement details onto the following inquiry form; our Sales Division will contact you with a quotation.
More Information
Catalog Code W3122
Download Product's Datasheet
Guide ▶Use the Question Sheet for Special Orders, and contact our Sales Division for more information.  (WEB Reference Catalog Code/W6004)
Attention ▶If the angle of incident is not correctly set the transmittance wavelength may be displaced or the light does not transmit as planned.
▶Question about the characteristic of the finesse or the transmission of the Etalon, please contact our International Sales Division.
▶The lead time of some model are expected to be long for further information, please contact our International Sales Division.
Surface flatness <λ/20 (λ=632.8nm)
Incident angle