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	1030 nm (Center Wavelength)	> 99.9% (1030 nm)	UV Fused Silica	In stock	$ 118.67
Product Code Manufacturer Optoman Wavelength Range 1030 nm (Center Wavelength) Center Wavelength 1030 nm Reflection Wavelength 1030 nm Coating Reflective V-Coating (1030 nm) Uncoated (Rear) Coating Method Ion Beam Sputtering (Front) Reflectance > 99.9% (1030 nm) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 6.35 mm (0.25") Parallelism < 5' Substrate UV Fused Silica Surface Irregularity < λ/8 (633 nm, over 9 mm, Flatness) Angle of Incidence 0 - 45° Surface Quality 10-5 scratch-dig (S1) Shape Round Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Clear Aperture > 10.16 mm Damage Threshold Pulsed > 0.35 J/cm² (500 fs, 10 kHz, 45°, 1030 nm, p-pol) > 0.65 J/cm² (500 fs, 10 kHz, 45°, 1030 nm, s-pol) > 0.25 J/cm² (500 fs, 10 kHz, 0°, 1030 nm) Applications Ultrafast Laser Optics Laser Type Yb:KGW, Yb:KYW, Yb:YAG Coating Features Narrowband Group Delay Dispersion < 30 fs² (0 - 45°, 1030 nm) Chamfer 0.1 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Round Mirror	1550 nm	> 99%	BK7	In stock	$ 208.00
Product Code Wavelength Range 1550 nm Center Wavelength 1550 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) Angle of Incidence 0 - 45° Surface Quality 10-5 scratch-dig Shape Round Damage Threshold Pulsed 1 J/cm² Weight 7 g Rear Surface Polished Supplier Location California, USA See product details More from OptoSigma
Round Mirror	195 - 2100 nm	> 99.5% (333 - 353 nm)	UV Fused Silica	4 - 5 days	$ 209.00
Product Code Wavelength Range 195 - 2100 nm Reflectance > 99.5% (333 - 353 nm) Transmittance > 95% (500 - 530 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3 mm Parallelism < 30'' Substrate UV Fused Silica Surface Irregularity λ/10 (633 nm, Flatness) λ/10 (633 nm, Coated Surface) Angle of Incidence 45° Surface Quality 20-10 scratch-dig (S1) 20-10 scratch-dig (S2) Shape Round Diameter Tolerance +0/-0.12 mm Clear Aperture 21.59 mm Damage Threshold Pulsed < 0.1 J/cm² (800 nm) Applications Laser Separator/Combiner Ultrafast Laser Optics Back Side Reflectance < 0.5% (45°) < 0.25% (0°) Chamfer 0.3 mm (45°) Supplier Location Lithuania See product details More from EKSMA Optics
Round Mirror	532 nm, 266 nm	> 99.5% (0 - 12°, 532 nm, Front) 5% (0 - 12°, 266 nm, Front) < 0.25% (0 - 12°, 266 nm, Rear)	UV FS Excimer Grade	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 532 nm, 266 nm Center Wavelength 266 nm, 532 nm Reflection Wavelength 532 nm, 266 nm Coating Reflective V-Coating (532 nm) AR/Transmissive V-Coating (266 nm) (Rear) Reflectance > 99.5% (0 - 12°, 532 nm, Front) 5% (0 - 12°, 266 nm, Front) < 0.25% (0 - 12°, 266 nm, Rear) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 6.35 mm (0.25") Parallelism 5' Substrate UV FS Excimer Grade Angle of Incidence 0 - 12° Surface Quality 10-5 scratch-dig (Output Face) 5/1x0.025; L1x0.004 (Front), 5/1x0.025; L1x0.004 (Rear) (ISO-7) Shape Round Diameter Tolerance +0.05/-0.05 mm Thickness Tolerance ±0.1 mm Laser Type Nd:YAG Coating Features Multi Wavelength Narrowband Chamfer 0.3 mm (Rear) 0.3 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Round Mirror	-	-	Fused Silica	In stock	$ 316.00
Product Code Diameter 23.5 mm Dimensions Ø 23.5 mm Thickness 1.04 mm Substrate Fused Silica Angle of Incidence 45° Shape Round Mount Unmounted Supplier Location California, USA See product details More from Alluxa
Round Mirror	-	-	-	In stock	$ 1230.76
Product Code Coating Enhanced Gold Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Round Mirror	1064 nm (Front, Center Wavelength) 532 nm (Front, Center Wavelength)	> 99.7% (45°, 532 nm) > 99.7% (45°, 1064 nm)	UV Fused Silica	In stock	$ 210.37
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 > 99.7% (45°, 532 nm) > 99.7% (45°, 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) Angle of Incidence 45° Surface Quality 10-5 scratch-dig 5/3x0.025 (ISO-7) Shape Round Diameter Tolerance +0/-0.1 mm Coating Features Multi Wavelength Narrowband Supplier Location Germany See product details More from LASEROPTIK
Round Mirror	1010 - 1050 nm (±10 fs²)	> 99.5%, 99% (±10 fs², 1010 - 1050 nm, s-pol, p-pol)	UV Fused Silica	In stock	$ 94.25
Product Code Wavelength Range 1010 - 1050 nm (±10 fs²) Reflection Wavelength 1010 - 1050 nm Coating Dielectric Reflectance > 99.5%, 99% (±10 fs², 1010 - 1050 nm, s-pol, p-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 6.35 mm (0.25") Parallelism < 1' Substrate UV Fused Silica Surface Irregularity < λ/10 (633 nm, over 6 mm, Flatness) Angle of Incidence 45° Surface Quality 20-10 scratch-dig Shape Round Clear Aperture > 11.43 mm Perpendicularity ±5' Chamfer 0.1 - 0.3 mm (45°) Supplier Location Lithuania See product details More from Photonic Solutions
Round Mirror	220 - 3000 nm	> 85% (230 - 400 nm) > 88% (300 nm)	Low Expansion Material	12 weeks	$ 151.00
Product Code Wavelength Range 220 - 3000 nm Center Wavelength 230 - 400 nm Coating UV-Enhanced Aluminum Reflectance > 85% (230 - 400 nm) > 88% (300 nm) Diameter 63 mm Dimensions Ø 63 mm Thickness 10 mm (Center) Substrate Low Expansion Material Surface Irregularity λ, 10λ (Flatness) Angle of Incidence 45° Shape Round Damage Threshold Pulsed 0.2 J/cm² (30 ns, 10 Hz, 193 nm) Center Thickness 10 mm Supplier Location Pennsylvania, USA See product details More from Excelitas
Round Mirror	220 - 3000 nm	> 85% (230 - 400 nm) > 88% (300 nm)	Low Expansion Material	6 weeks	$ 55.00
Product Code Wavelength Range 220 - 3000 nm Center Wavelength 230 - 400 nm Coating UV-Enhanced Aluminum Reflectance > 85% (230 - 400 nm) > 88% (300 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 5 mm (Center) Substrate Low Expansion Material Surface Irregularity λ, 10λ (Flatness) Angle of Incidence 45° Shape Round Damage Threshold Pulsed 0.2 J/cm² (30 ns, 10 Hz, 193 nm) Center Thickness 5 mm Supplier Location Pennsylvania, USA See product details More from Excelitas
Round Mirror	450 - 650 nm	> 95% (450 - 650 nm, Average)	Soda-Lime Float Glass	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 450 - 650 nm Coating UV-Enhanced Aluminum Reflectance > 95% (450 - 650 nm, Average) Diameter 6.35 mm (0.25") Dimensions Ø 6.35 mm (0.25") Substrate Soda-Lime Float Glass Surface Irregularity 4 - 6λ (Flatness) Angle of Incidence 45° Shape Round Clear Aperture 5.715 mm Damage Threshold Pulsed 0.2 J/cm² (10 ns, 532 nm) Quality 80-50 Supplier Location Vermont, USA See product details More from omega optical
Round Mirror	910 - 930 nm	> 99.9% (910 - 930 nm) (s-pol) > 99.9% (910 - 930 nm) (p-pol)	UV Fused Silica	In stock	$ 118.67
Product Code Manufacturer Optoman Wavelength Range 910 - 930 nm Center Wavelength 910 - 930 nm Coating BBHR (910 - 930 nm) Uncoated (Rear) Coating Method Ion Beam Sputtering (Front) Reflectance > 99.9% (910 - 930 nm) (s-pol) > 99.9% (910 - 930 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/8 (633 nm, over 5 mm, Flatness) Angle of Incidence 45° Surface Quality 20-10 scratch-dig (S1) Shape Round Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Clear Aperture > 20.32 mm Applications Ultrafast Laser Optics Coating Features Broadband Group Delay Dispersion < 10 fs², 20 fs² (45°, 910 - 930 nm, s-pol, p-pol) Chamfer 0.1 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Round Mirror	500 - 530 nm	99.9%	UV Fused Silica	4 - 5 days	$ 91.00
Product Code Wavelength Range 500 - 530 nm Center Wavelength 500 - 530 nm Reflectance 99.9% Dimensions Ø 12.7 x 6 mm Thickness 6 mm Substrate UV Fused Silica Surface Irregularity λ/10 (633 nm, Flatness) λ/10 (633 nm, Coated Surface) Angle of Incidence 45° Surface Quality 20-10 scratch-dig (S1) Shape Round Diameter Tolerance +0/-0.12 mm Thickness Tolerance ±0.25 mm Clear Aperture 10.795 x 5.1 mm Damage Threshold Pulsed > 0.15 J/cm² (50 fs, 100 Hz) Applications Ultrafast Laser Optics Wedge < 3' Group Delay Dispersion < 30 fs² Chamfer 0.3 mm (45°) Supplier Location Lithuania See product details More from EKSMA Optics
Round Mirror	355 nm (Front, Center Wavelength)	> 99.5% (0°, 355 nm)	UV Fused Silica	In stock	$ 291.28
Product Code Wavelength Range 355 nm (Front, Center Wavelength) Center Wavelength 355 nm (Front) Reflection Wavelength 355 nm Coating Reflective V-Coating (355 nm) Uncoated (Rear) Coating Method Magnetron Sputtering (Front) Reflectance > 99.5% (0°, 355 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) Angle of Incidence 0° Surface Quality 10-5 scratch-dig 5/3x0.025 (ISO-7) Shape Round Diameter Tolerance +0/-0.1 mm Coating Features High Power, Narrowband Supplier Location Germany See product details More from LASEROPTIK
Round Mirror	-	-	-	In stock	$ 1023.46
Product Code Coating Protected Silver Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Round Mirror	1820 - 2050 nm	97% (0°, 1820 - 2050 nm, Front) < 0.3% (0°, 1820 - 2050 nm, Rear)	Infrasil	In stock	$ 235.18
Product Code Wavelength Range 1820 - 2050 nm Center Wavelength 1820 - 2050 nm Reflection Wavelength 1820 - 2050 nm Coating Partial Reflector (1820 - 2050 nm) BBAR (1820 - 2050 nm) (Rear) Reflectance 97% (0°, 1820 - 2050 nm, Front) < 0.3% (0°, 1820 - 2050 nm, Rear) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 6.35 mm (0.25") Parallelism 5' Substrate Infrasil Surface Irregularity λ/10 (546.1 nm, Rear) λ/10 (546.1 nm, Front) Angle of Incidence 0° Surface Quality 10-5 scratch-dig (Output Face) 5/1x0.025; L1x0.004 (Front), 5/1x0.025; L1x0.004 (Rear) (ISO-7) Shape Round Diameter Tolerance +0.05/-0.05 mm Thickness Tolerance ±0.1 mm Applications Cavity Output Coupler Laser Type Ho:YAG, Tm:YAG Coating Features Broadband Split Ratio (R:T) 97:3 (1820 - 2050 nm) Chamfer 0.3 mm (Rear) 0.3 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Round Mirror	1010 - 1050 nm (±20 fs²)	> 99.95% (±20 fs², 1010 - 1050 nm, s-pol, p-pol)	UV Fused Silica	In stock	$ 126.75
Product Code Wavelength Range 1010 - 1050 nm (±20 fs²) Reflection Wavelength 1010 - 1050 nm Coating Dielectric Reflectance > 99.95% (±20 fs², 1010 - 1050 nm, s-pol, p-pol) 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) Angle of Incidence 45° Surface Quality 20-10 scratch-dig Shape Round Clear Aperture > 22.86 mm Perpendicularity ±5' Chamfer 0.1 - 0.3 mm (45°) Supplier Location Lithuania See product details More from Photonic Solutions
Round Mirror	720 - 880 nm	> 99%	UV Fused Silica	Contact Supplier	$ 199.00
Product Code Wavelength Range 720 - 880 nm Center Wavelength 720 - 880 nm Coating Dielectric Reflectance > 99% Dimensions Ø 25.4 x 6 mm Thickness 6 mm Substrate UV Fused Silica Surface Irregularity λ/10 (633 nm, Flatness) Angle of Incidence 0 - 8° Surface Quality 20-10 scratch-dig (S1) Shape Round Diameter Tolerance +0/-0.12 mm Clear Aperture 21.59 x 5.1 mm Damage Threshold Pulsed > 0.1 J/cm² (50 fs, 800 nm) Applications Ultrafast Laser Optics Radius of Curvature 4000 mm Chamfer 0.3 mm (45°) Supplier Location Lithuania See product details More from EKSMA Optics
Round Mirror	740 - 860 nm	> 99.8% (740 - 860 nm) (s-pol) > 98% (750 - 850 nm) (p-pol)	BK7, H-K9L	Contact Supplier	Add to cart to request quote
Product Code Manufacturer Optoman Wavelength Range 740 - 860 nm Center Wavelength 740 - 860 nm Coating BBHR (740 - 860 nm) BBHR (750 - 850 nm) Uncoated (Rear) Coating Method Ion Beam Sputtering (Front) Reflectance > 99.8% (740 - 860 nm) (s-pol) > 98% (750 - 850 nm) (p-pol) Diameter 38.1 mm Dimensions Ø 38.1 mm Thickness 9.5 mm Parallelism < 5' Substrate BK7, H-K9L Surface Irregularity λ/8 (633 nm, over 10 mm, Flatness) λ/10 (633 nm) Angle of Incidence 45° Surface Quality 20-10 scratch-dig (S1) Shape Round Diameter Tolerance +0/-0.1 mm Thickness Tolerance +0/-0.1 mm Clear Aperture > 32.385 mm Applications Ultrafast Laser Optics Coating Features Broadband, Multi Wavelength Group Delay Dispersion < 30 fs² (s-pol) < 740 - 860 fs² (760 - 840 nm, p-pol) Chamfer 0.2 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Round Mirror	532 nm (Front, Center Wavelength)	> 99.8% (45°, 532 nm)	UV Fused Silica	In stock	$ 280.49
Product Code Wavelength Range 532 nm (Front, Center Wavelength) Center Wavelength 532 nm (Front) Reflection Wavelength 532 nm Coating Reflective V-Coating (532 nm) Uncoated (Rear) Coating Method Electron Beam Evaporation (Front) Reflectance > 99.8% (45°, 532 nm) Diameter 50 mm Dimensions Ø 50 mm Thickness 9.5 mm Parallelism < 5' Substrate UV Fused Silica Surface Irregularity λ/10 (546 nm, Flatness) Angle of Incidence 45° Surface Quality 10-5 scratch-dig 5/3x0.040 (ISO-7) Shape Round Diameter Tolerance +0/-0.1 mm Coating Features High Power, Narrowband Supplier Location Germany See product details More from LASEROPTIK