• 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

1" Fixed Air Spaced Etalon

2" Fixed Air Spaced Etalon

3" Fixed Air Spaced Etalon

4" Fixed Air Spaced Etalon

5" Fixed Air Spaced Etalon

6" Fixed Air Spaced Etalon

7" Fixed Air Spaced Etalon

8" Fixed Air Spaced Etalon

• Wedge: 0.1 arc second typical
• Clear aperture: 85% of outside dimension
• Surface quality: 10/5 or better
• Material: Fused Silica
• Matched surface figure: λ/100

2x4mm Solid FS Etalon 25um thick

2x4mm Solid FS Etalon 50um thick

2x4mm Solid FS Etalon 88um thick

2x4mm Solid FS Etalon 100um thick

2x4mm Solid FS Etalon 200um thick

2x4mm Solid FS Etalon 300um thick

1/2" diameter mount for 2 x 4mm etalons

5x5mm Solid FS Etalon 25um thick

5x5mm Solid FS Etalon 50um thick

5x5mm Solid FS Etalon 88um thick

5x5mm Solid FS Etalon 100um thick

5x5mm Solid FS Etalon 107um thick

5x5mm Solid FS Etalon 200um thick

5x5mm Solid FS Etalon 300um thick

5x5mm Solid FS Etalon 1000um thick

5x5mm Solid FS Etalon 2000um thick/p> Part Number:OP-3644-2000
Details: 5mmx5mm, 2mm thick, FSR ~50GHz, uncoated, finesse = 0.6

5x5mm Solid FS Etalon 3000um thick

5x5mm Solid FS Etalon 5000um thick

5x5mm Etalon Mount

Solid Fused Silica Etalon, FSR= 2/cm, finesse =6

Solid Fused Silica Etalon FSR= 1/cm, finesse = 6

Solid Fused Silica Etalon FSR= 0.5/cm, finesse = 6

Solid Fused Silica Etalon, FSR = 2/cm, Finesse >30, 530nm to 660nm

Solid Fused Silica Etalon, FSR = 1/cm, Finesse >30, 530 to 660nm

Solid Fused Silica Etalon, FSR=0.5/cm, Finesse >30, 530nm to 660nm

Solid Fused Silica Etalon, FSR = 2/cm, Finesse 30, 700nm to 850nm

Solid Fused Silica Etalon, FSR = 1/cm, Finesse 30, 700nm to 850nm

Solid Fused Silica Etalon, FSR = 0.5/cm, Finesse 30 700nm to 850nm

Solid Fused Silica Etalon, FSR = 2/cm, Finesse 30, 850nm to 1100nm

Solid Fused Silica Etalon, FSR = 1/cm, Finesse 30, 850nm to 1100nm

Solid Fused Silica Etalon, FSR = 0.5/cm, Finesse 30, 850nm to 1100nm

Solid Fused Silica Etalon, FSR = 2/cm, Finesse 30, 1450nm to 1700nm

Solid Fused Silica Etalon, FSR = 1/cm, Finesse 30, 1450nm to 1700nm

Solid Fused Silica Etalon, FSR = 0.5/cm, Finesse 30 1450nm to 1700nm

• Material: Germanium
• Wavelength range: IR 2.5um to 14um
• Wedge < 0.5 arc second*
• Clear aperture: 12.7mm
• Surface quality: 80/50 or better
• Surface figure: λ/10
• Diameter: 25.4
• Finesse and FSR are dependent on the wavelength
• If your etalons require coatings then we can use our fluid jet polishing system to reduce the wedge and increase the finesse

1.46GHz Solid Germanium Etalon

0.98GHz Solid Germanium Etalon

0.73GHz Solid Germanium Etalon

• Material: Silicon
• Wavelength range: IR 1.2um to 6.3um
• Wedge < 0.5 arc second*
• Surface quality: 40/20 or better
• Surface figure: λ/20
• Mounting: the 8x8mm and 14x14mm etalons can be cemented to a 1" diameter holder
• Finesse is ~2.5 dependent on the wavelength/li>
• Thickness: see table
• If your etalons require coatings then we can use our fluid jet polishing system to reduce the wedge and increase the finesse
• We have two standard sizes for the silicon etalons
• 8 x 8mm
• 1" diameter

1660GHz Solid Silicon Etalon

1300GHz Solid Silicon Etalon

1080GHz Solid Silicon Etalon

830GHz Solid Silicon Etalon

415GHz Solid Silicon Etalon

100GHz Solid Silicon Etalon

50GHz Solid Silicon Etalon

8mm Etalon Mount

4.1mm Solid Silicon Etalon

8.3mm Solid Silicon Etalon

16mm Solid Silicon Etalon

41mm Solid Silicon Etalon

83mm Solid Silicon Etalon

• Gap: Customer specified 5um to 200mm+
• Gap adjustment: tunable from -4um to +12um (-30V to 150V)
• Maximum tuning speed: about 1KHz for large moves, about 10KHz for small movements (one FSR)
• Finesse, ƒ: customer specified
• Wavelength Range: λ = Customer specified
• Clear aperture: See catalog
• Material (optical): Fused Silica

Single Piezo Tube, Tunable Etalon

Single Piezo Etalon Driver and Mount Kit

2" Tunable Air Space Etalon

3" Tunable Air Space Etalon

4" Tunable Air Space Etalon

5" Tunable Air Space Etalon

6" Tunable Air Space Etalon

7" Tunable Air Space Etalon

8" Tunable Air Space Etalon

• Material: Undoped YAG
• Wavelength range: 250nm to 4um
• Wedge: Less than 1 arc second typical
• Clear aperture: 85% of outside dimension
• Surface quality: 10/5 or better
• Matched surface figure: λ/50
• Diameter: 5.0mm or 1/2"
• Finesse and FSR vary with wavelength, FSR on the PDF drawings is based on an index of 1.82
• Thickness: see catalog

3300GHz Solid YAG Etalon

1650GHz Solid YAG Etalon

820GHz Solid YAG Etalon

330GHz Solid YAG Etalon

164GHz Solid YAG Etalon

82GHz Solid YAG Etalon

5mm diameter Etalon Mount

6.86GHz Solid YAG Etalon

16.4GHz Solid YAG Etalon

82GHz Solid YAG Etalon

164GHz Solid YAG Etalon

206GHz Solid YAG Etalon

330GHz Solid YAG Etalon

820GHz Solid YAG Etalon

1650GHz Solid YAG Etalon

12.7mm diameter Etalon Mount