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Beam Splitters
These cubes have very tight angle tolerances and can be used with external mirrors to make Michelson interferometers.
- Angle tolerances: 1 arc minute or better
- Material: Fused Silica
- Clear aperture: 85%
- Surface quality: 20/10 or better
- Surface figure: λ/10 or better
1/2" (12.7mm) Nonpolarizing Beam Splitter Cubes
Wavelength Range Coating Type R/T Difference s vs p Detailed Drawing Price Buy Now
1" (25.4mm) Nonpolarizing Beam Splitter Cubes
Wavelength Range Coating Type R/T Difference s vs p Assembly Method Detailed Drawing Price
The pairs of etalons have matched surface figure that exceeds λ/100. They are marked to indicate the matched orientation. They are ideal for customers that are setting up there own Fabry Perot etalon cavities and want the flexibility of using there own mounting system.
- Clear apertures: > 85%
- Front Surface Matched Figure: λ/100 or better
- Front Surface Figure: λ/20 or better
- Surface Quality: 10/5 or better
- Wedge: 30 minutes (to avoid reflections)
- Material: Fused Silica
- Coating: Uncoated
Diameter Thickness Detailed Drawing Price Buy now
Ultra-Stable Micro Etalons
The ultra-stable air spaced etalons are made completely (mirrors and spacer) from ULE, Corning's Ultra Low Expansion glass.
- Clear apertures: 2.0 mm
- Front Surface Figure: 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: 1400nm to 1600nm
- Dimensions: 4mm x 5mm x see table
- ULE data sheet: available in the LightMachinery Library
FSR Detailed Drawing Price Buy Now
Piezo Tunable Etalons
Piezo tunable etalons are custom item, please call or email us to discuss your specific requirements
- Wavelength Range: λ = customer specified
- Clear aperture: 4mm
- Gap: specified by customer 50um to 8mm
- Gap: tunable from -4um to +12um (-30V to 150V)
- Finesse: ƒ=customer specified
- Material (optical): Fused Silica
Coating Type Wavelength Range Size Finesse Detailed Drawing Buy Now
1 to 30
Solid Etalons are simple devices with a wide variety of applications in spectroscopy and lasers.
- Wedge: 0.1 arc second typical
- Clear aperture: 85% of outside dimension
- Surface quality: 10/5 or better
- Wavlength range: Visible
- Material: Fused Silica
- Coating: Uncoated
- Matched surface figure: λ/100
Size FSR Finesse Detailed Drawing Price Buy Now Solid Etalons are simple devices with a wide variety of applications in spectroscopy and lasers.
- Material: Fused Silica
- Wedge: 0.1 arc second typical
- Clear aperture: 85% of outside dimension
- Surface quality: 10/5 or better
- Matched surface figure: λ/100
- Diameter: 25.4mm
- Coating: 65%, 450nm to 650nm
- Thickness: see table
FSR Nominal Thickness Finesse Detailed Drawing Price Buy Now 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 temperture sensitivity of silicon can also be useful (or problematic).
- Material: Silicon
- Wavelength range: IR 1.2um to 6.3um
- Wedge: 0.1 arc second typical
- Clear aperture: 85% of outside dimension
- Surface quality: 10/5 or better
- Matched surface figure: λ/50
- Diameter: 25.4
- Finesse and FSR are dependant on the wavelength (see Refractive index for various materials)
- FSR shown is calculated for 1545nm
- Thickness: see table
FSR Finesse Detailed Drawing Price Solid YAG etalons are also handy because the high index of YAG material (about 1.8 depending on wavelength). This creates a reasonably high finesse without any coatings, this makes yagalons excellent for mode selection in high poser solid state lasers. The additional advantage of YAG is excellent transmission in a wide range a wavelengths.
- Material: Undoped YAG
- Wavelength range: 250nm to 5um
- Wedge: 0.1 arc second typical
- Clear aperture: 85% of outside dimension
- Surface quality: 10/5 or better
- Matched surface figure: λ/50
- Diameter: 5.0mm
- Finesse and FSR vary with wavelength, FSR below is bases on an index of 1.82
- Thickness: see table, please contact us regarding custom sizes and thicknesses
FSR Finesse Detailed Drawing Price
These thin wafers are precision manufactured with excellent parallelism and flatness.
- Wedge: 0.1 arc second typical
- Clear aperture: 85% of outside dimension
- Surface quality: 10/5 or better
- Thickness uniformity: 0.2 microns
Please contact us for pricing on wafers that meet your particular specifications
Diameter Thickness Part Number Price Buy Now
Diameter Thickness Part Number Price Buy Now
