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!
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Etalons

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

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Optical Design Center

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

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Fluid Jet Polishing

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