High Performance SuperMirrors™

Highest reflectivity and lowest losses of any commercially available mirrors
R >99.97% typical for high finesse mirrors
Optical loss <100 ppm
Superpolished to <1 Å rms microroughness for ultra-low scatter and absorption
Ion beam sputtered (IBS)coating resist temperature and humidity changes

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Overview
Specifications
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SuperMirrors™ take advantage of our advanced superpolishing and ion-beam coating technology to provide the highest reflectivity and lowest losses of any commercially available mirrors. Optical loss is less than 100 parts per million (50 ppm typical). When used in etalons or optical cavities, these mirrors typically provide finesse levels in excess of 30,000 — approximately 30 times better than mirrors manufactured by standard techniques.

Our selection of ion-beam deposited coatings covers the spectral range of 583–1659 nm. The high finesse coatings have finesse greater than 10,000 and efficiency greater than 10% when used in carefully constructed cavities. The high transmission coatings have finesse greater than 5,000, and efficiency greater than 50%, when used in carefully constructed cavities. These coatings are deposited on 25.4 mm diameter UV grade fused silica substrates, either flat or concave with a 1.0 m radius of curvature. To maintain the 100 ppm performance level, extreme care must be taken when cleaning these mirrors (see next page).

To convert reflectivity (R) and transmission (T) to finesse (F) and efficiency (η), with absorption (A):

Bidirectional reflectance distribution function (BRDF) for typical coated SuperMirror (courtesy of TMA Technologies, Inc. Bozeman, MT).

Surface profile of typical superpolished substrate.

Specifications

Material	UV grade fused silica
Surface Figure, S₁	Flat: ≤λ/10 at 632.8 nm over central 80% clear aperture Concave: ≤λ/8 irregularity at 632.8 nm over central 80% clear aperture
Surface Quality, S₁	Super polished to <1 Å rms microroughness over central 50% of diameter with 0-0 scratch-dig 20-10 scratch-dig outside central 50% of diameter
Coating, S₁	SR.xxF High Finesse: Finesse F >10,000 (R >99.97%), Efficiency η >10% (T <0.03%) over the wavelength range
Angle of Incidence	0°
S₂ Surface	≤λ/10 at 632.8 nm over central 80% clear aperture
Surface Quality, S₂	20-10 scratch-dig
Antireflection Coating, S₂	Broadband, multilayer coating, R_avg <0.5%
Diameter Tolerance	+0/-0.1 mm
Thickness Tolerance	Flat: ±0.38 mm, Concave: ±0.38 mm
Wedge	30 ±15 arc min (flat mirror only)
Chamfers	0.50 ± 0.25 mm face width x 45° ±15°
Durability	MIL-C-675C, para 4.5.10 and 4.5.12
Damage Threshold	1000 W/cm² CW, 0.5 J/cm² with 10 nsec pulses, typical

Model Flat	Model Concave R=1.0 m ±3%	Wavelength (nm)	Center Wavelength (nm) ±3%	Diameter [in. (mm)]	Center Thickness (T_c) (mm)
10CM00SR.30F	10CV00SR.30F	583–663	620	1.0 (25.4)	6.35
10CM00SR.40F	10CV00SR.40F	761–867	810	1.0 (25.4)	6.35
10CM00SR.50F	10CV00SR.50F	996–1134	1060	1.0 (25.4)	6.35
10CM00SR.60F	10CV00SR.60F	1241–1412	1320	1.0 (25.4)	6.35
10CM00SR.70F	10CV00SR.70F	1457–1659	1550	1.0 (25.4)	6.35
10CM00SB.1		485–700	590	1.0 (25.4)	6.35

SuperMirrors may be subject to U.S. high technology export restrictions.

Model	Description	avail raw	Availability	price raw	Price	Qty. MULTI ADD
10CM00SB.1	Broadband Super Mirror, 25.4 Dia, 6.35mm thick, R_s,R_P>99.9%, 0-45 Deg AOI, 485-700nm	0	In Stock	799	$799.00	ADD
10CM00SR.30F	High Finesse Ultra-Low Loss SuperMirror, Flat, 25.4 mm Diameter, 583-663 nm	0	In Stock	955	$955.00	ADD
10CM00SR.30T	High Transmission Ultra-Low Loss Supermirror, Flat, 25.4 Dia, 6.35mm, 583-663nm	99	Call	759	$759.00 $949.00	ADD
10CM00SR.40F	High Finesse Ultra-Low Loss SuperMirror, Flat, 25.4 mm Diameter, 761-867 nm	0	In Stock	955	$955.00	ADD
10CM00SR.40T	High Transmission Ultra-Low Loss SuperMirror, Flat, 25.4 Dia, 6.35mm, 761-867nm	0	In Stock	759	$759.00 $949.00	ADD
10CM00SR.50F	High Finesse Ultra-Low Loss SuperMirror, Flat, 25.4 mm Diameter, 996-1134 nm	0	In Stock	955	$955.00	ADD
10CM00SR.50T	High Transmission Ultra-Low Loss SuperMirror, Flat, 25.4 Dia, 6.35mm, 996-1134nm	0	In Stock	799	$799.00 $999.00	ADD
10CM00SR.60F	High Finesse Ultra-Low Loss SuperMirror, Flat, 25.4 mm Diameter, 1241-1412 nm	0	In Stock	955	$955.00	ADD
10CM00SR.60T	High Transmission Ultra-Low Loss SuperMirror,Flat,25.4 Dia,6.35mm,1241-1412nm	0	In Stock	759	$759.00 $949.00	ADD
10CM00SR.70F	High Finesse Ultra-Low Loss SuperMirror, Flat, 25.4 mm Diameter, 1457-1659 nm	0	In Stock	955	$955.00	ADD
10CM00SR.70T	High Transmission Ultra-Low Loss SuperMirror, Flat, 25.4mm, 6.35mm, 1457-1659nm	0	In Stock	759	$759.00 $949.00	ADD
10CV00SR.30F	High Finesse Ultra-Low Loss SuperMirror, Concave, 25.4 mm Diameter, 583-663 nm	99	Call	999	$999.00	ADD
10CV00SR.40F	High Finesse Ultra-Low Loss SuperMirror, Concave, 25.4 mm Diameter, 761-867 nm	99	Call	999	$999.00	ADD
10CV00SR.50F	High Finesse Ultra-Low Loss SuperMirror, Concave, 25.4 mm Diameter, 996-1134 nm	0	In Stock	999	$999.00	ADD
10CV00SR.60F	High Finesse Ultra-Low Loss SuperMirror, Concave, 25.4 mm Diameter, 1241-1412 nm	99	Call	999	$999.00	ADD
10CV00SR.60T	High Transmission Ultra-Low Loss SuperMirror,Concave,25.4 Dia,6.35mm,1241-1412nm	0	In Stock	759	$759.00 $949.00	ADD
10CV00SR.70F	High Finesse Ultra-Low Loss SuperMirror, Concave, 25.4 mm Diameter, 1457-1659 nm	0	In Stock	999	$999.00	ADD
10CV00SR.70T	High Transmission Ultra-Low Loss SuperMirror,Concave,25.4 Dia,6.35mm,1457-1659nm	0	In Stock	759	$759.00 $949.00	ADD

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High Performance SuperMirrors™

Specifications

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