Compare Model Drawings, CAD & Specs Size Wavelength Range Coating Code Availability Price
0.5 in. (12.7 mm) broadband polarizing cube beamsplitter
$298
In Stock
12.7 x 12.7 x 12.7 mm 420-680 nm PB.3
In Stock
0.5 in. (12.7 mm) broadband polarizing cube beamsplitter
$298
In Stock
12.7 x 12.7 x 12.7 mm 620-1000 nm PB.5
In Stock
0.5 in. (12.7 mm) broadband polarizing cube beamsplitter
$298
In Stock
12.7 x 12.7 x 12.7 mm 900-1300 nm PB.7
In Stock
0.5 in. (12.7 mm) broadband polarizing cube beamsplitter
$298
In Stock
12.7 x 12.7 x 12.7 mm 1200-1600 nm PB.9
In Stock
1.0 inch (25.4 mm) broadband polarizing cube beamsplitter
$420
2 Weeks
25.4 x 25.4 x 25.4 mm 420-680 nm PB.3
2 Weeks
1.0 inch (25.4 mm) broadband polarizing cube beamsplitter
$420
In Stock
25.4 x 25.4 x 25.4 mm 620-1000 nm PB.5
In Stock
1.0 inch (25.4 mm) broadband polarizing cube beamsplitter
$420
In Stock
25.4 x 25.4 x 25.4 mm 900-1300 nm PB.7
In Stock
1.0 inch (25.4 mm) broadband polarizing cube beamsplitter
$420
In Stock
25.4 x 25.4 x 25.4 mm 1200-1600 nm PB.9
In Stock

Specifications

  • Shape
    Cube
  • Material
    SF 2, NSSK grade
  • Coating Type
    Broadband polarizing
  • Antireflection Coating
    Multilayer broadband dielectric
  • Angle of Incidence
    0°±5°
  • Orientation
    To avoid damage, beam should enter prism marked with a dot
  • Reflection
    Rs >99.5% average
  • Reflected Beam Deviation
    90° ±5 arc min
  • Transmission
    Tp >80%, >90% average
  • Transmitted Beam Deviation
    ≤5 arc min
  • Extinction Ratio
    Tp/Ts >500:1, 1000:1 average
  • 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
  • Damage Threshold
    2000 W/cm2 CW, 1 J/cm2 with a 10 nsec pulse, typical
  • 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

Features

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 an all-dielectric 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. Because the prisms are held together with optical cement, 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.

High Polarization Extinction Ratio

Four broadband multilayer coatings are offered covering the 420–680 nm , 620–1000 nm, 900–1300 nm, and 1200-1600 nm wavelength ranges. 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 500:1, yet it averages 1000:1.

Mounting Options

M1-P2_Prism M1-PT PO46BL-50 9411 UGP-1 Q-IBC-1
Mount Type Platform Mount Prism Stage
Models M1-P2 M1-PT PO46-50 Series 9411
9481
UGP-1 Q-IBC-1
Accessories Requires
PT-1C
Included TC-1OC1-GR-2 Optional UGP-KIT-1
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
LH-1PM CH105 UPA-CH OC1-CM-P OC1-CM-A
Mount Type Cube Mount
Models LH-1PM CH-0.5
CH-1
UPA-CH.5
UPA-CH1
OC1-CM-P OC1-CM-A
Accessories Optional
UGP-KIT-1
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.