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)
Rectangular 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) Dimensions 15 x 21 mm (±0.25 mm) Substrate Soda-Lime Float Glass Surface Irregularity 4 - 6λ (Flatness) Shape Rectangular Angle of Incidence 45° Clear Aperture 13.5 x 18.9 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
Rectangular Mirror	355 nm (Center Wavelength)	> 99.8% (355 nm, Absolute)	Fused Silica	In stock	$ 182.00
Product Code Wavelength Range 355 nm (Center Wavelength) Center Wavelength 355 nm Coating Dielectric Reflectance > 99.8% (355 nm, Absolute) Dimensions 38.1 x 25.4 mm (+0/-0.1 mm) Thickness 6.35 mm (0.25") Parallelism < 3' Substrate Fused Silica Surface Irregularity λ/10 (PV, Flatness) Shape Rectangular Surface Quality 10-5 scratch-dig Angle of Incidence 0 - 45° Clear Aperture 32.385 x 21.59 mm Damage Threshold Pulsed 5 J/cm² (20 ns, 20 Hz, 355 nm) Thickness Tolerance ±0.2 mm Laser Type Nd:YAG Supplier Location New Jersey, USA See product details More from Edmund Optics
Rectangular Mirror	600 - 1100 nm	> 98.5% (600 - 1100 nm) > 99% (700 - 900 nm)	UV Fused Silica	4 - 5 days	$ 101.00
Product Code Wavelength Range 600 - 1100 nm Reflection Wavelength 600 - 1100 nm 700 - 900 nm Coating Enhanced Silver Reflectance > 98.5% (600 - 1100 nm) > 99% (700 - 900 nm) Dimensions 20 x 30 mm Thickness 6 mm Substrate UV Fused Silica Surface Irregularity λ/10 (633 nm) Shape Rectangular Surface Quality 40-20 scratch-dig (S1) Clear Aperture > 18 x 27 mm Damage Threshold Pulsed > 0.25 J/cm² (100 Hz, 100 fs, 800 nm) Thickness Tolerance ±0.2 mm Diameter Tolerance +0/-0.13 mm Group Delay Dispersion < 5 fs² Supplier Location Lithuania See product details More from EKSMA Optics
Rectangular Mirror	500 - 12000 nm (Center Wavelength)	> 96% (500 - 12000 nm)	Low Expansion Material	In stock	$ 97.00
Product Code Wavelength Range 500 - 12000 nm (Center Wavelength) Center Wavelength 500 - 12000 nm Coating Silver Reflectance > 96% (500 - 12000 nm) Dimensions 20 x 30 mm Thickness 4 mm (Center) Substrate Low Expansion Material Surface Irregularity λ, 10λ (Flatness) Shape Rectangular Angle of Incidence 0 - 60° Center Thickness 4 mm Mount Unmounted Supplier Location Pennsylvania, USA See product details More from Excelitas
Rectangular 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) Dimensions 81 x 100 mm (±0.76 mm) Substrate Soda-Lime Float Glass Surface Irregularity 4 - 6λ (Flatness) Shape Rectangular Angle of Incidence 45° Clear Aperture 72.9 x 90 mm Quality 80-50 Supplier Location Vermont, USA See product details More from omega optical
Rectangular Mirror	400 - 2000 nm	96% (400 nm)	UV Fused Silica	Contact Supplier	$ 116.00
Product Code Wavelength Range 400 - 2000 nm Reflection Wavelength 400 nm Coating Protected Silver Reflectance 96% (400 nm) Dimensions 25.4 x 50.8 mm Thickness 10 mm Substrate UV Fused Silica Surface Irregularity λ/10 (633 nm) Shape Rectangular Surface Quality 40-20 scratch-dig (S1) Clear Aperture > 22.86 x 45.72 mm Damage Threshold Pulsed 1.8 J/cm² (50 Hz, 11 ns, 1064 nm) 0.25 J/cm² (50 Hz, 94 fs, 800 nm) Thickness Tolerance ±0.2 mm Diameter Tolerance +0/-0.13 mm Supplier Location Lithuania See product details More from EKSMA Optics
Rectangular Mirror	450 - 650 nm	-	Float Glass	Contact Supplier	$ 152.90
Product Code Wavelength Range 450 - 650 nm Coating UV-Enhanced Aluminum Dimensions 425 x 400 x 3 mm Thickness 3 mm Substrate Float Glass Shape Rectangular Surface Quality 60-40 scratch-dig Clear Aperture 382.5 x 360 x 2.7 mm Thickness Tolerance ±0.25 mm Length 425 mm Width 400 mm Diameter Tolerance +0/-0.2 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Chirped Mirror Pair	700 - 970 nm 700 - 950 nm	> 99.85% (0°, 700 - 970 nm, Front)	Fused Silica	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 700 - 970 nm 700 - 950 nm Center Wavelength 700 - 950 nm 700 - 970 nm Reflection Wavelength 700 - 970 nm Coating BBHR (700 - 970 nm) Reflectance > 99.85% (0°, 700 - 970 nm, Front) Dimensions 45 x 15 mm Thickness 12.5 mm Parallelism 5' Substrate Fused Silica Surface Irregularity λ/10 (546.1 nm, Front) Shape Rectangular Surface Quality 10-5 scratch-dig 5/3x0.04; L1x0.004 (Front) (ISO-7) Angle of Incidence 0° Thickness Tolerance ±0.2 mm Laser Type Ti:Sa Coating Features Broadband, Chirped Group Delay Dispersion -60 to -30 fs² (700 - 950 nm) Chamfer 0.4 mm (Rear) 0.4 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Rectangular Mirror	-	> 90%	-	6 - 12 weeks	$ 179.00
Product Code Coating Aluminum Reflectance > 90% Dimensions 40 x 50 mm Thickness 8 mm Parallelism < 3' Surface Irregularity λ/10 (Flatness) Shape Rectangular Surface Quality 40-20 scratch-dig Angle of Incidence 45° Damage Threshold Pulsed 0.25 J/cm² Weight 36 g Rear Surface Polished Supplier Location California, USA See product details More from OptoSigma
Rectangular Mirror	450 - 700 nm	99%	Soda-Lime Float Glass	Contact Supplier	$ 37.46
Product Code Wavelength Range 450 - 700 nm Coating Dielectric Reflectance 99% Dimensions 15 x 10 x 3 mm Thickness 3 mm Parallelism < 3' Substrate Soda-Lime Float Glass Surface Irregularity λ (over 25mm, Flatness) Shape Rectangular Surface Quality < 60-40 scratch-dig Thickness Tolerance ±0.25 mm Length 15 mm Width 10 mm Diameter Tolerance +0/-0.2 mm Length Tolerance ±0.2 mm Width Tolerance ±0.2 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Rectangular Mirror	450 - 10000 nm	> 98% (450 - 2000 nm, Average) > 98% (2000 - 10000 nm, Average)	Soda-Lime Float Glass	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 450 - 10000 nm Coating Protected Silver Reflectance > 98% (450 - 2000 nm, Average) > 98% (2000 - 10000 nm, Average) Dimensions 20 x 28 mm (±0.25 mm) Substrate Soda-Lime Float Glass Surface Irregularity 4 - 6λ (Flatness) Shape Rectangular Angle of Incidence 0° Damage Threshold Pulsed 0.5 J/cm² (10 ns, 532 nm, 1064 nm) Quality 60-40 Supplier Location Vermont, USA See product details More from omega optical
Rectangular Mirror	220 - 3000 nm	> 85% (230 - 400 nm) > 88% (300 nm)	Low Expansion Material	12 weeks	$ 39.00
Product Code Wavelength Range 220 - 3000 nm Center Wavelength 230 - 400 nm Coating UV-Enhanced Aluminum Reflectance > 85% (230 - 400 nm) > 88% (300 nm) Dimensions 15 x 20 mm Thickness 2 mm (Center) Substrate Low Expansion Material Surface Irregularity λ, 2λ (Flatness) Shape Rectangular Angle of Incidence 45° Damage Threshold Pulsed 0.2 J/cm² (30 ns, 10 Hz, 193 nm) Center Thickness 2 mm Supplier Location Pennsylvania, USA See product details More from Excelitas
Rectangular Mirror	500 - 12000 nm (Center Wavelength)	> 96% (500 - 12000 nm)	Low Expansion Material	6 weeks	$ 39.00
Product Code Wavelength Range 500 - 12000 nm (Center Wavelength) Center Wavelength 500 - 12000 nm Coating Silver Reflectance > 96% (500 - 12000 nm) Dimensions 10 x 15 mm Thickness 2 mm (Center) Substrate Low Expansion Material Surface Irregularity λ, 2λ (Flatness) Shape Rectangular Angle of Incidence 0 - 60° Center Thickness 2 mm Mount Unmounted Supplier Location Pennsylvania, USA See product details More from Excelitas
Rectangular Mirror	380 - 10000 nm	> 85% (400 - 700 nm) > 88% (550 nm)	Low Expansion Material	6 weeks	$ 242.00
Product Code Wavelength Range 380 - 10000 nm Center Wavelength 400 - 700 nm Coating Protected Aluminum Reflectance > 85% (400 - 700 nm) > 88% (550 nm) Dimensions 60 x 85 mm Thickness 8 mm (Center) Substrate Low Expansion Material Surface Irregularity λ, 10λ (Flatness) Shape Rectangular Angle of Incidence 45° Center Thickness 8 mm Supplier Location Pennsylvania, USA See product details More from Excelitas
Rectangular 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) Dimensions 254 x 356 mm (±0.76 mm) Substrate Soda-Lime Float Glass Surface Irregularity 4 - 6λ (Flatness) Shape Rectangular Angle of Incidence 45° Clear Aperture 228.6 x 320.4 mm Quality 80-50 Supplier Location Vermont, USA See product details More from omega optical
Rectangular Mirror	450 - 700 nm	> 98%	Float Glass	Contact Supplier	$ 27.45
Product Code Wavelength Range 450 - 700 nm Coating Dielectric Reflectance > 98% Dimensions 15 x 10 x 1.1 mm Thickness 1.1 mm Substrate Float Glass Shape Rectangular Surface Quality 60-40 scratch-dig Clear Aperture 13.5 x 9 x 0.99 mm Thickness Tolerance ±0.25 mm Length 15 mm Width 10 mm Diameter Tolerance +0/-0.2 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Rectangular 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) Dimensions 254 x 313 mm (±0.76 mm) Substrate Soda-Lime Float Glass Surface Irregularity 4 - 6λ (Flatness) Shape Rectangular Angle of Incidence 45° Clear Aperture 228.6 x 281.7 mm Quality 80-50 Supplier Location Vermont, USA See product details More from omega optical
Rectangular Mirror	450 - 700 nm	99%	Soda-Lime Float Glass	Contact Supplier	$ 58.87
Product Code Wavelength Range 450 - 700 nm Coating Dielectric Reflectance 99% Dimensions 25 x 15 x 3 mm Thickness 3 mm Parallelism < 3' Substrate Soda-Lime Float Glass Surface Irregularity λ (over 25mm, Flatness) Shape Rectangular Surface Quality < 60-40 scratch-dig Thickness Tolerance ±0.25 mm Length 25 mm Width 15 mm Diameter Tolerance +0/-0.2 mm Length Tolerance ±0.2 mm Width Tolerance ±0.2 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Rectangular Mirror	380 - 10000 nm	> 85% (400 - 700 nm) > 88% (550 nm)	Low Expansion Material	12 weeks	$ 278.00
Product Code Wavelength Range 380 - 10000 nm Center Wavelength 400 - 700 nm Coating Protected Aluminum Reflectance > 85% (400 - 700 nm) > 88% (550 nm) Dimensions 80 x 120 mm Thickness 8 mm (Center) Substrate Low Expansion Material Surface Irregularity 2λ (Flatness) Shape Rectangular Angle of Incidence 45° Center Thickness 8 mm Supplier Location Pennsylvania, USA See product details More from Excelitas
Rectangular Mirror	450 - 10000 nm	> 98% (450 - 2000 nm, Average) > 98% (2000 - 10000 nm, Average)	Soda-Lime Float Glass	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 450 - 10000 nm Coating Protected Silver Reflectance > 98% (450 - 2000 nm, Average) > 98% (2000 - 10000 nm, Average) Dimensions 15 x 21 mm (±0.25 mm) Substrate Soda-Lime Float Glass Surface Irregularity 4 - 6λ (Flatness) Shape Rectangular Angle of Incidence 0° Damage Threshold Pulsed 0.5 J/cm² (10 ns, 532 nm, 1064 nm) Quality 60-40 Supplier Location Vermont, USA See product details More from omega optical