BEAMSPLITTERS – Rainbow Research Optics

BEAMSPLITTERS

Beamsplitters

Standard Beamsplitters

Plate Beamsplitters

Non Polarizing

part code: NPB

Substrate: BK7
Surface Figure: λ/10 @ 633 nm
Surface Quality: 10-5 Laser Quality
Standard Diameter: 0.50 in to 3.00 in
Diameter Tolerance: +0.0/-0.20 mm
Standard Thickness: 0.250 in to 0.375
Thickness Tolerance: ±0.25 mm
Rs-Rp, Ts-Tp: < 5%

AR Coating: R < 0.5%
Standard Reflectance: 30% to 50% ± 5%
Standard Wavelengths: 442 nm to 1550 nm
Damage Threshold: 3 J/cm2, 10 ns pulse
Angle of Incidence: 45°
Clear Aperture: > 85% of diameter
Edge Bevel: 0.3 mm face width at 45°
Adhesion and Durability: Per MIL-C-675A

Broadband 50:50

part code: BHB

Substrate: BK7
Surface Figure: λ/10 @ 633 nm
Surface Quality: 10-5 Laser Quality
Runp: 50% ± 10%
Standard Diameter: 1.0 in to 4.0 in
Diameter Tolerance: +0.0/-0.20 mm
Standard Thickness: .0250 in to 0.500 in
Thickness Tolerance: ±0.25 mm

Wedge: ≤ 3 arcmin.
AR Coating: R < 0.5%
Standard Wavelengths: 458 nm to 1550 nm
Angle of Incidence: 45°
Clear Aperture: > 85% of diameter
Edge Bevel: 0.3 mm face width at 45°
Adhesion and Durability: Per MIL-C-675A

High Energy

part code: PRB

Substrate: UV Fused Silica, CaF2, or Bk7
Surface Figure: 
λ/10 @ 633 nm
Surface Quality: 
10-5 Laser Quality
Standard Diameter: 
0.50 in to 4.0 in
Diameter Tolerance: 
+0.0/-0.20 mm
Standard Thickness: 
0.125 in to 0.50 in
Thickness Tolerance: 
±0.25 mm
Wedge: 
≤ 3 arcmin.

AR Coating: R < 0.25%
Reflectance: 10% to 99%
Damage Threshold: > 10 J/cm2, 10 ns pulse
Standard Wavelengths: 
193 nm to 2940 nm
Clear Aperture: 
> 85% of diameter
Edge Bevel: 
0.3 mm face width at 45°
Adhesion and Durability: 
Per MIL-C-675A

Cube Beamsplitters

Partially Reflective

part code: PCB

Substrate: Bk7
Surface Figure: 
λ/4 @ 633 nm
Surface Quality: 
10-5 Laser Quality
Standard Size: 
5.0 mm to 2.0 in
Size Tolerance: 
+0.0/-0.20 mm
Beam Deviation: 
≤ 3 arcmin.
AR Coating: 
R < 0.25%

Reflectance: 20% to 80%
Damage Threshold: > 100 mJ/cm2, 10 ns pulse
Standard Wavelengths: 
488 nm to 1550 nm
Polarization: S, P, UNP
Clear Aperture: 
> 85% of diameter
Edge Bevel: 
0.3 mm face width at 45°
Adhesion and Durability: 
Per MIL-C-675A

Non-Polarizing

part code: NCB

Substrate: Bk7
Surface Figure: 
λ/4 @ 633 nm
Surface Quality: 
20-10 Laser Quality
Standard Size: 
10.0  mm to 2.0 in
Size Tolerance: 
+0.0/-0.25 mm
Runp: 50% ± 10%
Rs-Rp, Ts-Tp: 
< 5%

AR Coating: R < 0.25%
Damage Threshold: > 1 J/cm2, 10 nsec pulse
Standard Wavelengths: 
413 nm to 1550 nm
Clear Aperture: 
> 85% of diameter
Edge Bevel: 
0.3 mm face width at 45°
Adhesion and Durability: 
Per MIL-C-675A

Harmonic Separators

High Energy

part code: HHS

Substrate: UV Fused Silica or BK7
Surface Figure: 
λ/10 @ 633 nm
Surface Quality: 
10-5 Laser Quality
Standard Diameter: 
0.5 in to 2.0 in
Diameter Tolerance: 
+0.0/-0.25 mm
Standard Thickness: 0.25 in to 0.375 in
Thickness Tolerance: ± 0.25 mm

Runp: > 99.5%
Tunp> 90.0%
Damage Threshold: > 5 J/cm2, 10 nsec pulse
Standard Wavelengths (nm): 
266, 355, 532, and 1064
Clear Aperture: 
> 85% of diameter
Edge Bevel: 
0.3 mm face width at 45°
Adhesion and Durability: 
Per MIL-C-675A

Dichroic Beamsplitters

part code: SWP

Substrate: UV Fused Silica or BK7
Surface Figure: 
λ/10 @ 633 nm
Surface Quality: 
10-5 Laser Quality
Diameter Tolerance: 
+0.0/-0.20 mm
Thickness Tolerance: ± 0.25 mm
Wedge: ≤ 3 arcmin.
AR Coating: R < 0.25%

Reflectance: > 99.5%
Avg. Transmission: SWP: Tave > 90%, LWP: Tave > 85%
Damage Threshold: > 5 J/cm2, 10 nsec
Clear Aperture: 
> 85% of diameter
Edge Bevel: 
0.3 mm face width at 45°
Adhesion and Durability: 
Per MIL-C-675A

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