Solid Silicon Etalons
Solid silicon etalons are interesting because the high index of silicon (3.4 depending on wavelength) creates a reasonably high finesse without any coatings. The temperature sensitivity of silicon can also be useful (or problematic). These etalons are often used to monitor the wavelengths of long wavelength lasers in applications such as Tunable Diode Laser Absorption Spectroscopy, TDLAS,
- 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
- 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
Contact us anytime for custom items - that's what we do
1660GHz Solid Silicon Etalon
Part Number: OP-3852-25
Details: 0.025mm thick, 8mm x 8mm, clear aperture 5mm
1300GHz Solid Silicon Etalon
Part Number: OP-3852-30
Details: 0.030mm thick, 8mm x 8mm, clear aperture 5mm
1040GHz Solid Silicon Etalon
Part Number: OP-3852-40
Details: 0.040mm thick, 8mm x 8mm, clear aperture 5mm
830GHz Solid Silicon Etalon
Part Number: OP-3852-50
Details: 0.050mm thick, 8mmx8mm, clear aperture 5mm
680GHz Solid Silicon Etalon
Part Number: OP-3852-60
Details: 0.060mm thick, 8mmx8mm, clear aperture 5mm
415GHz Solid Silicon Etalon
Part Number: OP-3852-100
Details: 0.100mm thick, 8mm x 8mm, clear aperture 5mm diameter
100GHz Solid Silicon Etalon
Part Number: OP-3852-416
Details: 0.416mm thick, 8mm x 8mm, clear aperture 5mm diameter
50GHz Solid Silicon Etalon
Part Number: OP-3852-831
Details: 0.831mm thick, 8mm x 8mm, clear aperture 5mm diameter
8mm Etalon Mount
Part Number: OP-4397-8
Details: 1" diameter aluminum mount designed to hold an 8mm x 8mm etalon. Price includes cementing the etalon to the mount at LightMachinery.
4.1mm Solid Silicon Etalon
Part Number: OP-2638-4155
Details: 4.155mm long, ~10GHz, 1" diameter
8.3mm Solid Silicon Etalon
Part Number: OP-2638-8311
Details: 8.311mm long, ~5GHz, 1" diameter
16mm Solid Silicon Etalon
Part Number: OP-2638-16622
Details: 16.622mm long, ~2.6GHz, 1" diameter
41mm Solid Silicon Etalon
Part Number: OP-2638-41555
Details: 41.555mm long, ~1GHz, 1" diameter
83mm Solid Silicon Etalon
Part Number: OP-2638-83110
Details: 83.110mm long, ~0.5GHz, 1" diameter
learn more about etalons!
Etalons
Learn more about the various types of etalons we can make (and see some cool pictures)
Optical Design Center
Design etalons, lenses, resonators, VIPA's and explore optical material properties.
Fluid Jet Polishing
Learn more about Fluid Jet Polishing, it is one of our enabling technologies
