Flat Mirrors

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Reflective optical components that feature a flat surface and are commonly used to steer beams without introducing chromatic aberration and minimize dispersion.

Product	Wavelength Range	Reflectance	Substrate	Availability	Price (USD)
Round Mirror	1064 nm	99.9%	UV Fused Silica	4 - 5 days	$ 128.00
Product Code Wavelength Range 1064 nm Center Wavelength 1064 nm Coating Dielectric Reflectance 99.9% Dimensions Ø 25.4 x 6 mm Thickness 6 mm Substrate UV Fused Silica Surface Irregularity λ/10 (633 nm, Flatness) λ/8 (633 nm, Coated Surface) Surface Quality 20-10 scratch-dig (S1) Clear Aperture 21.59 x 5.1 mm Shape Round Angle of Incidence 45° Diameter Tolerance +0/-0.12 mm Thickness Tolerance ±0.25 mm Damage Threshold Pulsed > 20 J/cm² (10 ns, 100 Hz) Applications Ultrafast Laser Optics Wedge < 3' Chamfer 0.3 mm (45°) Supplier Location Lithuania See product details More from EKSMA Optics
Round Mirror	333 - 355 nm	> 99.5% (333 - 355 nm, Average)	UV Fused Silica	In stock	$ 78.50
Product Code Wavelength Range 333 - 355 nm Reflection Wavelength 333 - 355 nm Coating Dielectric Reflectance > 99.5% (333 - 355 nm, Average) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 5 mm Parallelism < 1' Substrate UV Fused Silica Surface Irregularity < λ/10 (633 nm, over 6 mm, Flatness) Surface Quality 20-10 scratch-dig Clear Aperture > 11.43 mm Shape Round Angle of Incidence 45° Perpendicularity ±5' Chamfer 0.1 - 0.3 mm (45°) Supplier Location Lithuania See product details More from Photonic Solutions
Round Mirror	720 - 860 nm	90% (45°, 720 - 860 nm, Front) (p-pol)	Fused Silica	Contact Supplier	$ 1203.00
Product Code Wavelength Range 720 - 860 nm Center Wavelength 720 - 860 nm Coating Partial Reflector (720 - 860 nm) Reflectance 90% (45°, 720 - 860 nm, Front) (p-pol) Diameter 38.1 mm Dimensions Ø 38.1 mm Thickness 1 mm Parallelism 10.002'' Substrate Fused Silica Surface Irregularity λ/10 (546.1 nm, Front) Surface Quality 10-5 scratch-dig 5/2x0.063; L3x0.004 (Front) (ISO-7) Shape Round Angle of Incidence 45° Diameter Tolerance +0.05/-0.05 mm Thickness Tolerance ±0.1 mm Applications Cavity Output Coupler Coating Features Broadband Split Ratio (R:T) 90:10 (720 - 860 nm) (p-pol) Chamfer 0.1 mm (Rear) 0.1 mm (Front) Chamfer Tolerance ±0.05 mm Supplier Location Germany See product details More from LAYERTEC
Round Mirror	405 nm	> 99%	BK7	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 405 nm Center Wavelength 405 nm Coating Dielectric Reflectance > 99% Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 5 mm Parallelism < 3' Substrate BK7 Surface Irregularity λ/10 (Flatness) Surface Quality 10-5 scratch-dig Shape Round Angle of Incidence 0 - 45° Damage Threshold Pulsed 0.5 J/cm² Weight 7 g Rear Surface Polished Supplier Location California, USA See product details More from OptoSigma
Round Mirror	755 - 1665 nm	90% (Average)	-	In stock	$ 175.00
Product Code Wavelength Range 755 - 1665 nm Center Wavelength 300 - 1210 nm Reflectance 90% (Average) Diameter 25 mm Dimensions Ø 25 mm Shape Round Bandwidth (FWHM) 910 nm Supplier Location Vermont, USA Selected Product Option 25mm Diameter See product details More from Chroma
Round Mirror	1020 - 1100 nm	> 99.9% (1020 - 1100 nm) (s-pol) > 99.9% (1020 - 1100 nm) (p-pol)	UV Fused Silica	In stock	$ 165.85
Product Code Manufacturer Optoman Wavelength Range 1020 - 1100 nm Center Wavelength 1020 - 1100 nm Coating BBHR (1020 - 1100 nm) Uncoated (Rear) Coating Method Ion Beam Sputtering (Front) Reflectance > 99.9% (1020 - 1100 nm) (s-pol) > 99.9% (1020 - 1100 nm) (p-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6.35 mm (0.25") Parallelism 10'' Substrate UV Fused Silica Surface Irregularity < λ/10 (12 mm, 633 nm, Flatness) Surface Quality 10-5 scratch-dig (S1) Clear Aperture 21 mm (Minimum) Shape Round Angle of Incidence 0 - 22.5° Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Applications Ultrafast Laser Optics Coating Features Broadband Group Delay Dispersion 50 fs² (s-pol) Chamfer 0.1 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Round Mirror	2000 - 12000 nm (Center Wavelength)	> 98% (2000 - 12000 nm, Average)	Low Expansion Material	12 weeks	$ 198.00
Product Code Wavelength Range 2000 - 12000 nm (Center Wavelength) Center Wavelength 2000 - 12000 nm Coating Protected Gold Reflectance > 98% (2000 - 12000 nm, Average) Diameter 50 mm Dimensions Ø 50 mm Thickness 10 mm (Center) Parallelism 20' Substrate Low Expansion Material Surface Irregularity λ, 10λ (Flatness) Clear Aperture Ø 46 mm Shape Round Angle of Incidence 0 - 60° Center Thickness 10 mm Supplier Location Pennsylvania, USA See product details More from Excelitas
Round Mirror	1046 - 1074 nm	> 99.8% (1064 nm, Absolute)	Fused Silica	In stock	$ 116.00
Product Code Wavelength Range 1046 - 1074 nm Center Wavelength 1064 nm Coating Dielectric Reflectance > 99.8% (1064 nm, Absolute) Diameter 4 mm Dimensions Ø 4 mm Thickness 3 mm Parallelism < 3' Substrate Fused Silica Surface Irregularity λ/10 (PV, Flatness) Surface Quality 10-5 scratch-dig Clear Aperture 3.6 mm Shape Round Angle of Incidence 0 - 45° Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.2 mm Damage Threshold Pulsed 15 J/cm² (20 ns, 20 Hz, 1064 nm) Laser Type Nd:YAG Supplier Location New Jersey, USA See product details More from Edmund Optics
Round Mirror	1350 - 1620 nm	> 99.9% (45°, 1350 - 1620 nm, Front) (p-pol)	Fused Silica	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 1350 - 1620 nm Center Wavelength 1350 - 1620 nm Coating BBHR (1350 - 1620 nm) Reflectance > 99.9% (45°, 1350 - 1620 nm, Front) (p-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm Parallelism 5' Substrate Fused Silica Surface Irregularity λ/10 (546.1 nm, Front) Surface Quality 10-5 scratch-dig 5/1x0.025; L1x0.004 (Front) (ISO-7) Shape Round Angle of Incidence 45° Diameter Tolerance +0.05/-0.05 mm Thickness Tolerance ±0.1 mm Applications Turning Mirror Laser Type Ti:Sa Coating Features Broadband Group Delay Dispersion -300 fs² (1350 - 1620 nm, p-pol) Chamfer 0.2 mm (Rear) 0.2 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Round Mirror	400 - 700 nm	> 85% (400 - 700 nm, Average)	Soda-Lime Float Glass	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 400 - 700 nm Coating Protected Aluminum Reflectance > 85% (400 - 700 nm, Average) Diameter 15 mm Dimensions Ø 15 mm Substrate Soda-Lime Float Glass Surface Irregularity 4 - 6λ (Flatness) Clear Aperture 13.5 mm Shape Round Angle of Incidence 45° Quality 80-50 Supplier Location Vermont, USA See product details More from omega optical
Round Mirror	980 - 1080 nm	> 99.95% (980 - 1080 nm) (s-pol) > 99.9% (980 - 1080 nm) (p-pol)	UV Fused Silica	In stock	$ 176.91
Product Code Manufacturer Optoman Wavelength Range 980 - 1080 nm Center Wavelength 980 - 1080 nm Coating BBHR (980 - 1080 nm) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99.95% (980 - 1080 nm) (s-pol) > 99.9% (980 - 1080 nm) (p-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6.35 mm (0.25") Parallelism < 5' Substrate UV Fused Silica Surface Irregularity < λ/6 (633 nm, Flatness) Surface Quality 20-10 scratch-dig (S1, S2) Clear Aperture > 20.32 mm Shape Round Angle of Incidence 45° Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Applications Ultrafast Laser Optics Laser Type Yb:KGW, Yb:KYW, Yb:YAG Coating Features Broadband Group Delay Dispersion < 30 fs² (960 - 1100 nm, 990 - 1070 nm, s-pol, p-pol) Chamfer 0.1 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Round Mirror	1520 - 1570 nm	99.5%	BK7, N-BK7	4 - 5 days	$ 109.00
Product Code Wavelength Range 1520 - 1570 nm Center Wavelength 1520 - 1570 nm Coating Dielectric Reflectance 99.5% Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6 mm (Edge) Edge Thickness 6 mm Substrate BK7, N-BK7 Surface Irregularity λ/10 (633 nm, Flatness) λ/10 (633 nm, Coated Surface) Surface Quality 20-10 scratch-dig (S1) Clear Aperture 21.59 mm Shape Round Angle of Incidence 45° Diameter Tolerance +0/-0.12 mm Thickness Tolerance ±0.25 mm Damage Threshold Pulsed 6 J/cm² (8 ns, 1064 nm) Wedge < 3' Chamfer 0.3 mm (45°) Supplier Location Lithuania See product details More from EKSMA Optics
Round Mirror	450 - 700 nm	> 98%	Float Glass	Contact Supplier	$ 25.92
Product Code Wavelength Range 450 - 700 nm Coating Dielectric Reflectance > 98% Diameter 6.3 mm Dimensions Ø 6.3 mm Thickness 1.1 mm Substrate Float Glass Surface Quality 60-40 scratch-dig Clear Aperture 5.67 mm Shape Round Diameter Tolerance +0/-0.2 mm Thickness Tolerance ±0.25 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Round Mirror	700 - 10000 nm	> 96% (2000 - 10000 nm, Average)	ZERODUR	In stock	$ 114.00
Product Code Wavelength Range 700 - 10000 nm Coating Protected Gold Reflectance > 96% (2000 - 10000 nm, Average) Diameter 5 mm Dimensions Ø 5 mm Thickness 2 mm Parallelism 30'' Substrate ZERODUR Surface Irregularity λ/10 (PV, Flatness) Surface Quality 20-10 scratch-dig Clear Aperture 4.5 mm Shape Round Diameter Tolerance +0/-0.2 mm Thickness Tolerance ±0.2 mm Damage Threshold Pulsed 0.8 J/cm² (10 ns, 1064 nm) Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Round Mirror	380 - 10000 nm	> 85% (400 - 700 nm) > 88% (550 nm)	Low Expansion Material	6 weeks	$ 95.00
Product Code Wavelength Range 380 - 10000 nm Center Wavelength 400 - 700 nm Coating Protected Aluminum Reflectance > 85% (400 - 700 nm) > 88% (550 nm) Diameter 50 mm Dimensions Ø 50 mm Thickness 10 mm (Center) Substrate Low Expansion Material Surface Irregularity λ, 10λ (Flatness) Shape Round Angle of Incidence 45° Center Thickness 10 mm Supplier Location Pennsylvania, USA See product details More from Excelitas
Round Mirror	1030 - 1064 nm	> 99.95% (1030 - 1064 nm, Average)	UV Fused Silica	In stock	$ 121.33
Product Code Wavelength Range 1030 - 1064 nm Reflection Wavelength 1030 - 1064 nm Coating Dielectric Reflectance > 99.95% (1030 - 1064 nm, Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 5 mm Parallelism < 1' Substrate UV Fused Silica Surface Irregularity < λ/10 (633 nm, over 6 mm, Flatness) Surface Quality 20-10 scratch-dig Clear Aperture > 22.86 mm Shape Round Angle of Incidence 45° Perpendicularity ±5' Chamfer 0.1 - 0.3 mm (45°) Supplier Location Lithuania See product details More from Photonic Solutions
Round Mirror	-	> 90%	BK7	6 - 12 weeks	$ 21.01
Product Code Coating Protected Aluminum Reflectance > 90% Diameter 25 mm Dimensions Ø 25 mm Thickness 5 mm Parallelism < 3' Substrate BK7 Surface Irregularity λ/10 (Flatness) Surface Quality 60-40 scratch-dig Shape Round Angle of Incidence 45° Damage Threshold Pulsed 0.25 J/cm² (10 ns, 20 Hz) Weight 7 g Rear Surface Polished Supplier Location California, USA See product details More from OptoSigma
Round Mirror	1064 nm (Front, Center Wavelength) 532 nm (Front, Center Wavelength)	> 99.5% (0°, 532 nm) > 99.7% (0°, 1064 nm)	UV Fused Silica	In stock	$ 226.67
Product Code Wavelength Range 1064 nm (Front, Center Wavelength) 532 nm (Front, Center Wavelength) Center Wavelength 1064 nm (Front) 532 nm (Front) Reflection Wavelength 532 nm, 1064 nm Coating Reflective V-Coating (1064 nm) Reflective V-Coating (532 nm) Uncoated (Rear) Coating Method Electron Beam Evaporation (Front) Reflectance > 99.5% (0°, 532 nm) > 99.7% (0°, 1064 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness 6.35 mm (0.25") Parallelism < 5' Substrate UV Fused Silica Surface Irregularity λ/10 (546 nm, Flatness) Surface Quality 10-5 scratch-dig 5/3x0.025 (ISO-7) Shape Round Angle of Incidence 0° Diameter Tolerance +0/-0.1 mm Coating Features High Power, Multi Wavelength, Narrowband Supplier Location Germany See product details More from LASEROPTIK
Round Mirror	730 - 870 nm	> 99.7% (730 - 870 nm) > 99.7% (685 - 935 nm) (s-pol)	UV Fused Silica	Contact Supplier	Add to cart to request quote
Product Code Manufacturer Optoman Wavelength Range 730 - 870 nm Center Wavelength 730 - 870 nm Reflection Wavelength 730 - 870 nm Coating BBHR (685 - 935 nm) BBHR (730 - 870 nm) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99.7% (730 - 870 nm) > 99.7% (685 - 935 nm) (s-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6.35 mm (0.25") Parallelism < 10'' Substrate UV Fused Silica Surface Irregularity < λ/10 (633 nm, Flatness) Surface Quality 10-5 scratch-dig (S1) Clear Aperture > 20.32 mm Shape Round Angle of Incidence 45° Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Applications Ultrafast Laser Optics Laser Type Ti:Sa Coating Features Broadband, Multi Wavelength Group Delay Dispersion 0 fs² (±20 fs², 700 - 900 nm, s-pol) 0 fs² (±20 fs², 740 - 860 nm, p-pol) Chamfer 0.1 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Round Mirror	450 - 650 nm	-	Float Glass	Contact Supplier	$ 42.74
Product Code Wavelength Range 450 - 650 nm Coating UV-Enhanced Aluminum Diameter 100 mm Dimensions Ø 100 mm Thickness 6 mm Substrate Float Glass Surface Quality 60-40 scratch-dig Clear Aperture 90 mm Shape Round Diameter Tolerance +0/-0.2 mm Thickness Tolerance ±0.25 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical