Plate Beamsplitters

Optical components, so called optical separators, with flat and parallel surfaces, designed for splitting incident light into two beams with different or similar wavelengths.

Product	Wavelength Range	Thickness	Reflectance	Availability	Price (USD)
Plate Beamsplitter	230 - 290 nm	5 mm	> 98.5% (230 - 290 nm) (s-pol)	Contact Supplier	Add to cart to request quote
Product Code Manufacturer Optoman Wavelength Range 230 - 290 nm Center Wavelength 230 - 290 nm Coating BBAR (1100 - 1600 nm) BBAR (1600 - 2600 nm) BBAR (760 - 830 nm) BBHR (230 - 290 nm) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 98.5% (230 - 290 nm) (s-pol) Transmittance > 95% (460 - 580 nm, 1100 - 1600 nm) (p-pol) > 80% (760 - 830 nm) (s-pol) > 70% (1600 - 2600 nm) (s-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 5 mm Parallelism < 10'' Surface Irregularity < λ/10 (633 nm, Flatness) Clear Aperture > 22.86 mm Shape Round Angle of Incidence 60° Surface Quality 20-10 scratch-dig (S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Chamfer 0.1 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	780 nm (Center Wavelength)	2.51 mm (Center) 2.8 mm (Edge)	> 99.9% (780 nm) (s-pol)	In stock	$ 97.09
Product Code Manufacturer Optoman Wavelength Range 780 nm (Center Wavelength) Center Wavelength 780 nm Coating AR/Transmissive V-Coating (640 nm) Reflective V-Coating (780 nm) Reflective V-Coating (813 nm) AR/Transmissive V-Coating (640 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99.9% (780 nm) (s-pol) Transmittance > 99% (640 nm) (p-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2.51 mm (Center) 2.8 mm (Edge) Edge Thickness 2.8 mm Surface Irregularity < λ/8 (633 nm) Clear Aperture 10 mm (Minimum) Shape Round Angle of Incidence 15° Surface Quality 20-10 scratch-dig (S1) 80-50 scratch-dig (S2) Coating Features Multi Wavelength Narrowband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.1 mm Center Thickness 2.51 mm Centration < 3' Edge Thickness Tolerance ±0.1 mm Radius of Curvature Tolerance ±0.7 mm Radius of Curvature -70 mm (S1) Chamfer 0.2 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	410 - 490 nm	3 mm	> 99.8% (410 - 490 nm) (s-pol)	Contact Supplier	Add to cart to request quote
Product Code Manufacturer Optoman Wavelength Range 410 - 490 nm Center Wavelength 410 - 490 nm Coating BBAR (715 - 1200 nm) BBHR (410 - 490 nm) BBAR (715 - 1200 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99.8% (410 - 490 nm) (s-pol) Transmittance > 98% (715 - 1200 nm) (p-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3 mm Parallelism < 3' Surface Irregularity < λ/8 (13 mm, 633 nm, Flatness) Clear Aperture 23 mm (Minimum) Shape Round Angle of Incidence 45° Surface Quality 20-10 scratch-dig (S1) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Group Delay Dispersion < 500 fs² (715 - 1200 nm) Chamfer 0.2 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	1055 - 1580 nm	2 mm	> 98% (1055 - 1580 nm) (s-pol) > 98% (1055 - 1580 nm) (p-pol)	In stock	$ 210.37
Product Code Manufacturer Optoman Wavelength Range 1055 - 1580 nm Center Wavelength 1055 - 1580 nm Coating BBAR (765 - 1010 nm) BBHR (1055 - 1580 nm) BBAR (765 - 1010 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 98% (1055 - 1580 nm) (s-pol) > 98% (1055 - 1580 nm) (p-pol) Transmittance > 95% (765 - 1010 nm) (p-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2 mm Parallelism < 5' Surface Irregularity < λ (633 nm, Flatness) Clear Aperture > 11.43 mm Shape Round Angle of Incidence 17° Surface Quality 10-5 scratch-dig (10 mm, S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Chamfer 0.2 - 0.3 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	195 - 201 nm	2 mm	> 99% (195 - 201 nm) (s-pol) < 10% (390 - 400 nm) (s-pol) < 10% (780 - 800 nm) (s-pol) < 1% (261 - 267 nm) (p-pol)	In stock	$ 1294.56
Product Code Manufacturer Optoman Wavelength Range 195 - 201 nm Center Wavelength 195 - 201 nm Coating BBAR (261 - 267 nm) BBAR (390 - 400 nm) BBAR (780 - 800 nm) BBHR (195 - 201 nm) BBAR (261 - 267 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99% (195 - 201 nm) (s-pol) < 10% (390 - 400 nm) (s-pol) < 10% (780 - 800 nm) (s-pol) < 1% (261 - 267 nm) (p-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2 mm Parallelism < 2' Surface Irregularity λ/6 (633 nm, Flatness) Clear Aperture 20 mm (Minimum) Shape Round Angle of Incidence 45° Surface Quality 10-5 scratch-dig (S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.3 mm Group Delay Dispersion < ±100 fs² (45°, 195 - 201 nm, s-pol) Laser Type Ti:Sa Damage Threshold CW > 1 × 10⁸ kW/cm² Chamfer 0.2 - 0.3 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	342 - 347 nm	3 mm	> 99.9% (342 - 347 nm) (s-pol)	In stock	$ 242.73
Product Code Manufacturer Optoman Wavelength Range 342 - 347 nm Center Wavelength 342 - 347 nm Coating BBAR (1025 - 1045 nm) BBHR (342 - 347 nm) Reflectance > 99.9% (342 - 347 nm) (s-pol) Transmittance > 99% (512 - 522 nm, 1025 - 1045 nm) (p-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm Parallelism < 10'' Surface Irregularity < λ/10 (633 nm, Flatness) Clear Aperture > 10.16 mm Shape Round Angle of Incidence 45° Surface Quality 10-5 scratch-dig (S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Group Delay Dispersion < 30 fs² (s-pol) Laser Type Yb:KGW, Yb:KYW, Yb:YAG Transmitted Wavefront Error < λ/10 (633 nm) Chamfer 0.1 - 0.2 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Harmonic Beamsplitter	500 - 530 nm	3 mm	> 99.9% (515 nm) (s-pol) > 99.3% (500 - 530 nm) (s-pol) < 2% (1030 nm) (s-pol) > 99.9% (515 nm) (p-pol) > 99.3% (500 - 530 nm) (p-pol) < 2% (1030 nm) (p-pol)	In stock	$ 102.49
Product Code Manufacturer Optoman Wavelength Range 500 - 530 nm Center Wavelength 500 - 530 nm Coating BBHR (500 - 530 nm) Reflective V-Coating (515 nm) AR/Transmissive V-Coating (1030 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99.9% (515 nm) (s-pol) > 99.3% (500 - 530 nm) (s-pol) < 2% (1030 nm) (s-pol) > 99.9% (515 nm) (p-pol) > 99.3% (500 - 530 nm) (p-pol) < 2% (1030 nm) (p-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm Parallelism < 10'' Surface Irregularity < λ/8 (633 nm, Flatness) Clear Aperture > 11.43 mm Shape Round Angle of Incidence 45° Surface Quality 20-10 scratch-dig (S1, S2) Coating Features Broadband, Multi Wavelength, Narrowband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Group Delay Dispersion < 20 fs² Laser Type Yb:KGW, Yb:KYW, Yb:YAG Chamfer 0.1 - 0.2 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	1580 - 2400 nm	2 mm	> 98% (1580 - 2400 nm) (s-pol) > 98% (1580 - 2400 nm) (p-pol)	In stock	$ 221.15
Product Code Manufacturer Optoman Wavelength Range 1580 - 2400 nm Center Wavelength 1580 - 2400 nm Coating BBAR (640 - 765 nm) BBHR (1580 - 2400 nm) BBAR (640 - 765 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 98% (1580 - 2400 nm) (s-pol) > 98% (1580 - 2400 nm) (p-pol) Transmittance > 94% (640 - 765 nm) (p-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2 mm Parallelism < 5' Surface Irregularity < λ (633 nm, Flatness) Clear Aperture > 11.43 mm Shape Round Angle of Incidence 17° Surface Quality 10-5 scratch-dig (10 mm, S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Chamfer 0.2 - 0.3 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Reflecting Band Dichroic Beamsplitter	488 nm (Center Wavelength)	3 mm	99.24297% (483 - 494 nm)	In stock	$ 700.00
Product Code Wavelength Range 488 nm (Center Wavelength) Center Wavelength 488 nm Reflection Wavelength 483 - 494 nm Transmission Wavelength 321 - 331 nm 358 - 479 nm 501 - 903 nm 978 - 1000 nm Reflectance 99.24297% (483 - 494 nm) Transmittance 56.55594% (321 - 331 nm) 94.75323% (358 - 479 nm) 91.39621% (501 - 903 nm) 53.5211% (978 - 1000 nm) Dimensions 22 x 27 x 3 mm Thickness 3 mm Surface Irregularity < λ/4 (waves/inch, Flatness) Shape Rectangular Applications Fluorescence Supplier Location Vermont, USA Selected Product Option 22mm x 27mm 3mm UF, ≤ 0.25 waves/inch surface flatness See product details More from Chroma
Plate Beamsplitter	440 nm (Center Wavelength)	6.35 mm (0.25")	> 90% (440 nm) (s-pol) > 85 - 90% (450 nm) (s-pol) > 90% (440 nm) (p-pol) > 85 - 90% (450 nm) (p-pol)	In stock	$ 167.21
Product Code Manufacturer Optoman Wavelength Range 440 nm (Center Wavelength) Center Wavelength 440 nm Coating Reflective V-Coating (440 nm) Reflective V-Coating (450 nm) AR/Transmissive V-Coating (450 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 90% (440 nm) (s-pol) > 85 - 90% (450 nm) (s-pol) > 90% (440 nm) (p-pol) > 85 - 90% (450 nm) (p-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6.35 mm (0.25") Parallelism < 10'' Surface Irregularity < λ/8 (12 mm, 633 nm, Flatness) Clear Aperture 20 mm (Minimum) Shape Round Angle of Incidence 22.5° Surface Quality 20-10 scratch-dig (S1, S2) Coating Features Multi Wavelength Narrowband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Chamfer 0.1 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	342 - 347 nm	6.35 mm (0.25")	> 99.7% (342 - 347 nm) (s-pol)	In stock	$ 161.82
Product Code Manufacturer Optoman Wavelength Range 342 - 347 nm Center Wavelength 342 - 347 nm Coating BBAR (1025 - 1045 nm) BBHR (342 - 347 nm) Uncoated (Rear) Coating Method Ion Beam Sputtering (Front) Reflectance > 99.7% (342 - 347 nm) (s-pol) Transmittance > 99% (512 - 522 nm, 1025 - 1045 nm) (p-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6.35 mm (0.25") Parallelism < 10'' Surface Irregularity < λ/10 (10 mm, 633 nm) < λ/20 (633 nm, over 10 mm) < λ/10 (633 nm, over 10 mm, Flatness) Shape Round Angle of Incidence 45° Surface Quality 20-10 scratch-dig (S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Group Delay Dispersion < 50 fs² (344 nm) Laser Type Yb:KGW, Yb:KYW, Yb:YAG Chamfer 0.1 - 0.4 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	780 nm (Center Wavelength)	2 mm	> 99.9% (780 nm) (s-pol)	In stock	$ 97.09
Product Code Manufacturer Optoman Wavelength Range 780 nm (Center Wavelength) Center Wavelength 780 nm Coating AR/Transmissive V-Coating (640 nm) Reflective V-Coating (780 nm) Reflective V-Coating (813 nm) AR/Transmissive V-Coating (640 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99.9% (780 nm) (s-pol) Transmittance > 99% (640 nm) (p-pol) Diameter 6 mm Dimensions Ø 6 mm Thickness 2 mm Parallelism < 30'' Clear Aperture 4 mm (Minimum) Shape Round Angle of Incidence 15° Surface Quality 20-10 scratch-dig (S1) 20-10 scratch-dig (S2) Coating Features Multi Wavelength Narrowband Substrate Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Chamfer 0.1 - 0.2 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	780 - 1005 nm	2 mm	> 99% (780 - 1005 nm) (p-pol)	In stock	$ 210.37
Product Code Manufacturer Optoman Wavelength Range 780 - 1005 nm Center Wavelength 780 - 1005 nm Coating BBAR (1055 - 1550 nm) BBHR (780 - 1005 nm) BBAR (1050 - 1550 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99% (780 - 1005 nm) (p-pol) Transmittance > 97% (1055 - 1550 nm) (p-pol) > 97% (1055 - 1550 nm) (s-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2 mm Parallelism < 30'' Surface Irregularity < λ/2 (10 mm, 633 nm, Flatness) Clear Aperture > 11.43 mm Shape Round Angle of Incidence 17° Surface Quality 10-5 scratch-dig (10 mm, S1, S2) Coating Features Broadband Substrate Suprasil 300 Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Chamfer 0.2 - 0.3 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Reflecting Band Dichroic Beamsplitter	532 nm (Center Wavelength)	1 mm	99.24009% (524 - 538 nm)	In stock	$ 550.00
Product Code Wavelength Range 532 nm (Center Wavelength) Center Wavelength 532 nm Reflection Wavelength 524 - 538 nm Transmission Wavelength 395 - 519 nm 545 - 900 nm Reflectance 99.24009% (524 - 538 nm) Transmittance 95.45633% (395 - 519 nm) 55.5518% (545 - 900 nm) Dimensions 25.5 x 36 x 1 mm Thickness 1 mm Surface Irregularity < 2λ (waves/inch, Flatness) Shape Rectangular Applications Fluorescence Supplier Location Vermont, USA Selected Product Option 25.5mm x 36mm 1mm UF , ≤ 2.0 waves/inch surface flatness See product details More from Chroma
Reflecting Band Dichroic Beamsplitter	442 nm (Center Wavelength)	3 mm	99.16507% (436 - 447 nm)	In stock	$ 700.00
Product Code Wavelength Range 442 nm (Center Wavelength) Center Wavelength 442 nm Reflection Wavelength 436 - 447 nm Transmission Wavelength 330 - 433 nm 452 - 807 nm 873 - 1000 nm Reflectance 99.16507% (436 - 447 nm) Transmittance 92.98171% (330 - 433 nm) 92.70947% (452 - 807 nm) 53.4213% (873 - 1000 nm) Dimensions 24 x 34 x 3 mm Thickness 3 mm Surface Irregularity < λ/4 (waves/inch, Flatness) Shape Rectangular Applications Fluorescence Supplier Location Vermont, USA Selected Product Option 24mm x 34mm with Cut Corners For Nikon Eclipse 3mm UF, ≤ 0.25 waves/inch surface flatness See product details More from Chroma
Plate Beamsplitter	505 - 525 nm	5 mm	> 99.6% (505 - 525 nm) (s-pol) > 99.5% (1180 - 1400 nm) (p-pol)	In stock	$ 199.58
Product Code Manufacturer Optoman Wavelength Range 505 - 525 nm Center Wavelength 505 - 525 nm Coating BBAR (800 - 920 nm) BBHR (1180 - 1400 nm) BBHR (505 - 525 nm) Uncoated (Rear) Coating Method Ion Beam Sputtering (Front) Reflectance > 99.6% (505 - 525 nm) (s-pol) > 99.5% (1180 - 1400 nm) (p-pol) Transmittance > 98% (800 - 920 nm) (p-pol) Diameter 20 mm Dimensions Ø 20 mm Thickness 5 mm Parallelism < 5' Surface Irregularity < λ/8 (10 mm, 633 nm, Flatness) Clear Aperture > 18 mm Shape Round Angle of Incidence 0 - 10° Surface Quality 20-10 scratch-dig (S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Chamfer 0.1 - 0.3 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	342 - 347 nm	3 mm	> 99.9% (342 - 347 nm) (s-pol)	In stock	$ 399.16
Product Code Manufacturer Optoman Wavelength Range 342 - 347 nm Center Wavelength 342 - 347 nm Coating BBAR (1025 - 1045 nm) BBHR (342 - 347 nm) Reflectance > 99.9% (342 - 347 nm) (s-pol) Transmittance > 99% (512 - 522 nm, 1025 - 1045 nm) (p-pol) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3 mm Parallelism < 1' Surface Irregularity < λ/8 (633 nm, Flatness) Clear Aperture > 22.86 mm Shape Round Angle of Incidence 45° Surface Quality 10-5 scratch-dig (S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.03 mm Group Delay Dispersion < 30 fs² (s-pol) Laser Type Yb:KGW, Yb:KYW, Yb:YAG Transmitted Wavefront Error < λ/10 (15 mm, 633 nm) Chamfer 0.1 - 0.2 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Plate Beamsplitter	337 - 349 nm	3 mm	> 99.6% (337 - 349 nm) (s-pol)	In stock	$ 253.52
Product Code Manufacturer Optoman Wavelength Range 337 - 349 nm Center Wavelength 337 - 349 nm Coating BBAR (1015 - 1045 nm) BBAR (505 - 525 nm) BBHR (337 - 349 nm) BBAR (1015 - 1045 nm) (Rear) BBAR (505 - 525 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99.6% (337 - 349 nm) (s-pol) Transmittance > 98% (505 - 525 nm) (p-pol) > 98% (1015 - 1045 nm) (s-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm Parallelism < 10'' Surface Irregularity < λ/10 (633 nm, Flatness) Clear Aperture > 10.16 mm Shape Round Angle of Incidence 45° Surface Quality 10-5 scratch-dig (S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Group Delay Dispersion < 60 fs² (45°, 325 - 380 nm, s-pol, Reflection) Laser Type Yb:KGW, Yb:KYW, Yb:YAG Transmitted Wavefront Error < λ/10 (633 nm) Damage Threshold Pulsed > 0.2 J/cm² (300 fs, 343 nm) Chamfer 0.1 - 0.2 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP
Reflecting Band Dichroic Beamsplitter	532 nm (Center Wavelength)	3 mm	99.24009% (524 - 538 nm)	In stock	$ 700.00
Product Code Wavelength Range 532 nm (Center Wavelength) Center Wavelength 532 nm Reflection Wavelength 524 - 538 nm Transmission Wavelength 395 - 519 nm 545 - 900 nm Reflectance 99.24009% (524 - 538 nm) Transmittance 95.45633% (395 - 519 nm) 55.5518% (545 - 900 nm) Dimensions 22 x 29 x 3 mm Thickness 3 mm Surface Irregularity < λ/4 (waves/inch, Flatness) Shape Rectangular Applications Fluorescence Supplier Location Vermont, USA Selected Product Option 22mm x 29mm 3mm UF, ≤ 0.25 waves/inch surface flatness See product details More from Chroma
Plate Beamsplitter	376 - 425 nm	3 mm	> 99% (376 - 425 nm)	Contact Supplier	Add to cart to request quote
Product Code Manufacturer Optoman Wavelength Range 376 - 425 nm Center Wavelength 376 - 425 nm Reflection Wavelength 376 - 425 nm Transmission Wavelength 700 - 900 nm Coating BBAR (700 - 900 nm) BBHR (376 - 425 nm) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance > 99% (376 - 425 nm) Transmittance 98% (700 - 900 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3 mm Parallelism < 3' Surface Irregularity λ/8 (632.8 nm, Flatness) Clear Aperture > 20.32 mm Shape Round Angle of Incidence 45° Surface Quality 10-5 scratch-dig (S1, S2) Coating Features Broadband Substrate UV Fused Silica Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Group Delay Dispersion ±20 fs² (376 - 425 nm) Laser Type Ti:Sa Chamfer 0.25 mm (45°) Supplier Location Lithuania See product details More from OPTOSHOP