Broadband Non-Polarizing Cube Beamsplitters

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Overview

Our broadband non-polarizing hybrid cube beamsplitters are ideal for use with multiple lasers or tunable sources. Incoming beams are both transmitted and reflected 45%, with the s- and p-polarized components matched to within 10%.

Even power split ratio insensitive to polarization
Broadband and chromatically neutral
Flat spectral response across broad range of incidence angles
Broadband metal-dielectric hybrid beamsplitter coating at hypotenuse
Dielectric antireflection coating at four faces to minimize surface reflection losses

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Products

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Compare	Model	Size	Wavelength Range	Coating Code	Availability	Price	Brand
02BC17MB.1 Beamsplitter Cube, Non-Polarizing, 6.35 mm, 400-700 nm Broadband $218.00 In Stock	02BC17MB.1 Beamsplitter Cube, Non-Polarizing, 6.35 mm, 400-700 nm Broadband	6.35 x 6.35 x 6.35 mm	400-700 nm	MB.1	In Stock	$218.00	Newport
02BC17MB.2 Beamsplitter Cube, Non-Polarizing, 6.35 mm, 700-1100 nm Broadband $264.00 In Stock	02BC17MB.2 Beamsplitter Cube, Non-Polarizing, 6.35 mm, 700-1100 nm Broadband	6.35 x 6.35 x 6.35 mm	700-1100 nm	MB.2	In Stock	$264.00	Newport
02BC17MB.3 Beamsplitter Cube, Non-Polarizing, 6.35 mm, 1100-1600 nm Broadband $264.00 In Stock	02BC17MB.3 Beamsplitter Cube, Non-Polarizing, 6.35 mm, 1100-1600 nm Broadband	6.35 x 6.35 x 6.35 mm	1100-1600 nm	MB.3	In Stock	$264.00	Newport
05BC17MB.1 Beamsplitter Cube, Non-Polarizing, 12.7 mm, 400-700 nm Broadband $234.00 In Stock	05BC17MB.1 Beamsplitter Cube, Non-Polarizing, 12.7 mm, 400-700 nm Broadband	12.7 x 12.7 x 12.7 mm	400-700 nm	MB.1	In Stock	$234.00	Newport
05BC17MB.2 Beamsplitter Cube, Non-Polarizing, 12.7 mm, 700-1100 nm Broadband $274.00 In Stock	05BC17MB.2 Beamsplitter Cube, Non-Polarizing, 12.7 mm, 700-1100 nm Broadband	12.7 x 12.7 x 12.7 mm	700-1100 nm	MB.2	In Stock	$274.00	Newport
05BC17MB.3 Beamsplitter Cube, Non-Polarizing, 12.7 mm, 1100-1600 nm Broadband $274.00 5 Weeks	05BC17MB.3 Beamsplitter Cube, Non-Polarizing, 12.7 mm, 1100-1600 nm Broadband	12.7 x 12.7 x 12.7 mm	1100-1600 nm	MB.3	5 Weeks	$274.00	Newport
10BC17MB.1 Beamsplitter Cube, Non-Polarizing, 25.4 mm, 400-700 nm Broadband $282.00 In Stock	10BC17MB.1 Beamsplitter Cube, Non-Polarizing, 25.4 mm, 400-700 nm Broadband	25.4 x 25.4 x 25.4 mm	400-700 nm	MB.1	In Stock	$282.00	Newport
10BC17MB.2 Beamsplitter Cube, Non-Polarizing, 25.4 mm, 700-1100 nm Broadband $282.00 In Stock	10BC17MB.2 Beamsplitter Cube, Non-Polarizing, 25.4 mm, 700-1100 nm Broadband	25.4 x 25.4 x 25.4 mm	700-1100 nm	MB.2	In Stock	$282.00	Newport
10BC17MB.3 Beamsplitter Cube, Non-Polarizing, 25.4 mm, 1100-1600 nm Broadband $292.00 In Stock	10BC17MB.3 Beamsplitter Cube, Non-Polarizing, 25.4 mm, 1100-1600 nm Broadband	25.4 x 25.4 x 25.4 mm	1100-1600 nm	MB.3	In Stock	$292.00	Newport
20BC17MB.1 Beamsplitter Cube, Non-Polarizing, 50.8 mm, 400-700 nm Broadband $667.00 In Stock	20BC17MB.1 Beamsplitter Cube, Non-Polarizing, 50.8 mm, 400-700 nm Broadband	50.8 x 50.8 x 50.8 mm	400-700 nm	MB.1	In Stock	$667.00	Newport

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Specifications

Shape

Cube
Material

Grade A N-BK7
Coating Type

Broadband metal-dielectric non-polarizing
Antireflection Coating

Multilayer broadband dielectric
Angle of Incidence

0°±5°
Orientation

To avoid damage, beam should enter prism marked with a dot
Reflection

R_{s, p} = 45 ±5% average, 35%≤ R_{s, p} ≤55%
Reflected Beam Deviation

90° ±5 arc min
Transmission

T_{s, p} = 45 ±5% average, 35%≤ T_{s, p} ≤55%
Transmitted Beam Deviation

≤5 arc min

Polarization

S- and P-polarization components matched to within 10%,|T_s - T_p| ≤10%, |R_s - R_p| ≤10%
Wavefront Distortion

≤λ/4 at 632.8 nm over the clear aperture
Surface Quality

40-20 scratch-dig
Surface Flatness

≤λ/4 at 632.8 nm
Damage Threshold

100 W/cm² CW, 0.1 J/cm² with 10 nsec pulses, typical
Clear Aperture

>80% of central dimension
Size Tolerance

±0.254 mm
Operating Temperature Range

-50 to 90°C
Durability

MIL-C-675C
Cleaning

See How to Clean Optics

Features

Broadband Metal-dielectric Hybrid Coatings

Three metal-dielectric hybrid broadband coatings are offered covering the 400-700 nm, 700-1100 nm, and 1100-1600 nm wavelength ranges. Incoming beams are both transmitted and reflected 45%, with the s and p-polarized components matched to within 10% of each other. Hybrid beamsplitters are less sensitive to changes in angle of incidence, resulting in an optic that is chromatically neutral for both convergent and divergent beams.

Works Great With Tunable lasers

Broadband non-polarizing hybrid cube beamsplitters have moderate absorption but minimal polarization sensitivity. The broad spectral flatness of these beamsplitters makes them ideal for use with multiple sources or tunable lasers.

Constructed With Pair of Right-Angle Prisms

These beamsplitters consist of a pair of precision right-angle prisms carefully cemented together to minimize wavefront distortion. The hypotenuse of one of the prisms is coated with a metal-dielectric hybrid beamsplitter coating optimized over a broad wavelength range. The four faces are antireflection coated with a broadband multilayer dielectric coating to minimize surface reflection losses over the wavelength range. Due to the metallic nature of the hybrid coating, these beamsplitters are not intended for use with higher power lasers.

Proper Orientation

Cube beamsplitters are formed by cementing two right angle prisms together. One of the two prisms has the partially reflective metal-dielectric coating applied to its hypotenuse. In Newport's cube beamsplitters the coated prism is marked with a visible dot. Incident light should enter the prism with the coated hypotenuse in order to minimize power passing through the optical cement. Alternatively, a beam entering via the uncoated prism results in more than triple the fluence in the cement (the transmitted component, plus a double pass by the reflected component). With higher power beams this can result in degradation of the cement.


Mount Type	Platform Mount		Prism Stage
Models	M1-P2 Model: M1-P2 Platform Optical Mount, 2.0 x 2.0 in., 2 Knob Actuators $68.00 In Stock See Full Product Details Product Series Overview Platform Mirror Mounts	M1-PT Model: M1-PT M1 Prism Mount, 2 Knob Actuators $143.00 In Stock See Full Product Details Product Series Overview Platform Mirror Mounts	PO46-50 Series	9411 Model: 9411 Prism Mount, 0.25 to 1.00 in., ±5 °, 8-32 $494.00 In Stock See Full Product Details Product Series Overview Quad-Path Prism Mounts 9481 Model: 9481 Prism Mount, Pint-Sized, 0.25 to 1.00 in., ±3.5°, 8-32 $488.00 In Stock See Full Product Details Product Series Overview Quad-Path Prism Mounts	UGP-1 Model: UGP-1 Gimbal Prism Mount, ULTIMA^®, 1 in., 100 TPI Adjustment Screws $448.00 In Stock See Full Product Details Product Series Overview Gimbaled Three-Axis Optic Tilt Mounts	Q-IBC-1 Model: Q-IBC-1 Prism-Cube Gimbal Mount, 3-Axis, 1.0 in., Aegis Qube $525.00 In Stock See Full Product Details Product Series Overview Cubic Enclosures and Mounts, Aegis Qube
Accessories	Requires PT-1C Model: PT-1C Prism Clamp, Platform Mounts $21.00 In Stock See Full Product Details Product Series Overview Prism and Optic Clamping Arms	Included TC-1 Model: TC-1 Optic Clamping Arm, 6 mm Diameter Rod $30.00 In Stock See Full Product Details Product Series Overview Prism and Optic Clamping Arms & OC1-GR-2 Model: OC1-GR-2 Guide Rod, 6 mm, 4-40 Thd, 2 in. Length, 1 in. Optics Cage Plus $9.30 In Stock See Full Product Details Product Series Overview Optics Cage Plus Guide Rods	–	–	Optional UGP-KIT-1 Model: UGP-KIT-1 UGP Adapter Kit, 0.50in. (12.7mm) Cube Riser $43.00 In Stock See Full Product Details Product Series Overview Gimbaled Three-Axis Optic Tilt Mounts
Adjustments	2-axis		3-axis
Compatible Cube Sizes	5.0-50.8 mm	5.0-25.4 mm		6.35-25.4 mm	12.7-25.4 mm
Special Features	–	–	Table Mount	–	Gimbal	Gimbal, AegisQube™ System Compatibility


Mount Type	Cube Mount
Models	LH-1PM Model: LH-1PM Fixed Cube Mount, 1.0 in. (25.4 mm), A-LINE $47.00 In Stock See Full Product Details Product Series Overview A-Line™ Fixed Cube Mounts	CH-0.5 Model: CH-0.5 Cube Beamsplitter Holder, 0.5 in. Cubes, 1.063-20 Threaded Mounts $166.00 In Stock See Full Product Details Product Series Overview Cube Beamsplitter Holders CH-1 Model: CH-1 Cube Beamsplitter Holder, 1.0 in. Cubes, 2.063-20 Threaded Mounts $297.00 In Stock See Full Product Details Product Series Overview Cube Beamsplitter Holders	UPA-CH.5 Model: UPA-CH.5 Cube Beamsplitter Holder, 0.5 in. Cubes, For 0.5 in. Mirror Mounts $77.00 In Stock See Full Product Details Product Series Overview Cube Beamsplitter Holders UPA-CH1 Model: UPA-CH1 Cube Beamsplitter Holder, 1.0 in. Cubes, For 1.0 in. Mirror Mounts $104.00 In Stock See Full Product Details Product Series Overview Cube Beamsplitter Holders	OC1-CM-P Model: OC1-CM-P Prism Mount, 1.0 in. Cube, Requires OC1-CM-B $58.00 In Stock See Full Product Details Product Series Overview Optics Cage Plus Mounting Cube	OC1-CM-A Model: OC1-CM-A Adjustable Cube Mount, Optics Cage Plus $431.00 In Stock See Full Product Details Product Series Overview Optics Cage Plus Mounting Cube
Accessories	–	–	–	–	Optional UGP-KIT-1 Model: UGP-KIT-1 UGP Adapter Kit, 0.50in. (12.7mm) Cube Riser $43.00 In Stock See Full Product Details Product Series Overview Gimbaled Three-Axis Optic Tilt Mounts
Adjustments	Fixed¹				1-axis
Compatible Cube Sizes	25.4 mm	12.7, 25.4 mm		25.4 mm	12.7, 25.4 mm
Special Features	A-Line™ System Compatibility	Lens or Rotation Mount Compatibility	OpticsCage+™ or Mirror Mount Compatibility	OpticsCage+™ System Compatibility