High-Energy Laser Line Polarizing Cube Beamsplitters

High-energy polarizing cube beamsplitters provide efficient narrowband polarization for use with Nd:YAG lasers. Each polarizer consists of a pair of precision right-angle prisms optically contacted together. No cement is used. Cubes are optimized for either 532 or 1064 nm, with a damage threshold of up to 10 J/cm² is a achievable.

Damage threshold up to 10 J/cm²
No cement, optically contacted, Extinction ratio >200:1
Low wavefront distortion

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Description	Compatibility	Size	Wavelength Range	Coating Code	Avail.	Price
05BC15PH.2Polarizing Cube Beamsplitter, High Energy Nd:YAG, 12.7 mm, 266 nm	UNIVERSAL	12.7 x 12.7 x 12.7 mm	266 nm	PH.2	In Stock	$1,112
05BC15PH.4Polarizing Cube Beamsplitter, High Energy Nd:YAG, 12.7 mm, 355 nm	UNIVERSAL	12.7 x 12.7 x 12.7 mm	355 nm	PH.4	In Stock	$1,235
10BC15PH.4Polarizing Cube Beamsplitter, High Energy Nd:YAG, 25.4 mm, 355 nm	UNIVERSAL	25.4 x 25.4 x 25.4 mm	355 nm	PH.4	In Stock	$1,675
05BC15PH.10Cube Beamsplitter, Polarizing, High Energy Nd:YAG, 5.0 mm, 1550 nm	UNIVERSAL	5.0 x 5.0 x 5.0 mm	1550 nm	PH.10	In Stock	$1,091
07BC15PH.10Cube Beamsplitter, Polarizing, High Energy Nd:YAG, 10.0 mm, 1550 nm	UNIVERSAL	10.0 x 10.0 x 10.0 mm	1550 nm	PH.10	In Stock	$1,372
05BC15PH.13Cube Beamsplitter, Polarizing, High Energy Nd:YAG, 12.7 mm, 405 nm	UNIVERSAL	12.7 x 12.7 x 12.7 mm	405 nm	PH.13	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$1,036
05BC15PH.3Cube Beamsplitter, Polarizing, High Energy Nd:YAG, 12.7 mm, 532 nm	UNIVERSAL	12.7 x 12.7 x 12.7 mm	532 nm	PH.3	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$1,036
05BC15PH.9Cube Beamsplitter, Polarizing, High Energy Nd:YAG, 12.7 mm, 1064 nm	UNIVERSAL	12.7 x 12.7 x 12.7 mm	1064 nm	PH.9	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$1,036

Mounting Options


Mount Type	Platform Mount		Prism Stage
Models			PO46-50 Series
Accessories	Requires	Included &	–	–	Optional
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
Accessories	–	–	–	–	Optional
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

¹Adjustments are added to the CH and UPA-CH series cube mounts when being held by a kinematic or rotary mount.

Specifications

Shape
Cube
Coating Type
Laser Line Polarizing
Antireflection Coating
Multilayer Broadband Dielectric
Angle of Incidence
0°±5°
Orientation
To avoid damage, beam should enter prism marked with a dot
Reflected Beam Deviation
90° ±5 arc min
Transmitted Beam Deviation
≤3 arc min
Extinction Ratio
T_p/T_s >200:1

Wavefront Distortion
≤λ/4 at 632.8 nm over the clear aperture
Surface Quality
20-10 scratch-dig
Surface Flatness
≤λ/4 at 632.8 nm
Clear Aperture
>80% of central dimension
Size Tolerance
±0.254 mm
Operating Temperature Range
-50 to 90°C
Durability
MIL-C-675C, moderate abrasion million cycles
Cleaning
See How to Clean Optics

Features

Multilayer V-Coatings

The hypotenuse of one of the prisms is coated with a multilayer dielectric polarizing beamsplitter coating optimized for wavelength at 405, 532, 1064, or 1550 nm.

Optical Contact for High Damage Threshold

These high power cube beamsplitters are formed by optically contacting two right angle prisms together. One of the two prisms has the partially reflective dielectric coating applied to its hypotenuse. Then a special process allows for the two surfaces to be contacted. Optical contacting is a difficult procedure and will work only if the two mating surfaces are very flat and very clean. Because of the extra labor involved in optical contacting, this process is reserved only for higher power, more demanding applications.

High Polarization Extinction Ratio

An unpolarized beam is split into two orthogonal, linearly polarized components. P-polarized light is transmitted, while s-polarized light is reflected, both with negligible absorption. The extinction ratio is better than 200:1. This unique component provides all the benefits of a thin film plate polarizer in a standard cube configuration.