Air Spaced Etalons with a Fixed Gap

  • Resonator Surface Figure Matching: λ/100 or better
  • Front Surface Figure: λ/20 or better
  • Surface Quality: 10/5 or better
  • Wedge: 30 minutes (to avoid reflections)
  • AR coated: Less than 0.5%R
  • Wavelength Range: Customer Specified
  • Finesse: Customer Specified
  • Free Spectral Range, FSR: Customer Specified
  • Dimensions: see table catalog
  • Fused Silica is our standard material however Zerodur may be specified

Contact us anytime for custom items - that's what we do

AIR SPACED ETALONS

1" Fixed Air Spaced Etalon

Part Number: OP-7401
Details: 5mm aperture, FSR and finesse based on customer requirements.

2" Fixed Air Spaced Etalon

Part Number: OP-7402
Details: 30mm aperture.  FSR and finesse and design details based on customer requirements.

3" Fixed Air Spaced Etalon

Part Number: OP-7403
Details: 50mm aperture.  FSR and finesse and design details based on customer requirements.

4" Fixed Air Spaced Etalon

Part Number: OP-7404
Details: 70mm aperture.  FSR and finesse and design details based on customer requirements.

5" Fixed Air Spaced Etalon

Part Number: OP-7405
Details: 90mm aperture, FSR and finesse based on customer requirements.

6" Fixed Air Spaced Etalon

Part Number: OP-7406
Details: 110mm aperture.  FSR and finesse and design details based on customer requirements

7" Fixed Air Spaced Etalon

Part Number: OP-7407
Details: 130mm aperture.  FSR and finesse and design details based on customer requirements.

8" Fixed Air Spaced Etalon

Part Number: OP-7408
Details: 150mm aperture.  FSR and finesse and design details based on customer requirements

Learn More! See More!
etalon-ring-pattern-2.jpg

Etalons

Learn more about the various types of etalons we can make (and see some cool pictures)

etalon-designer-square-reverse.jpg

Optical Design Center

Design etalons, lenses, resonators, VIPA's and explore optical material properties.

fish 3.jpg

Fluid Jet Polishing

Learn more about Fluid Jet Polishing, it is one of our enabling technologies