Polarizer Principles
Meadowlark Optics DOWNLOAD PRINCIPLES Dichroic Polarizers Meadowlark Optics offers an
ICE Cube™ Wiregrid Polarizing Beamsplitter
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$457.00
Key Features
- Wide angle of incidence range
- Uniformity over wide range of angles
- High contrast and transmission over wide range of angles
Common Specifications
Substrate Material: N-BK7
Operating Wavelength: 400 – 700 nm (typical average for azimuthal)
Average Reflectivity: < 0.5 % @ 400 – 700 nm (4 x cube faces)
Transmitted Wavefront Distortion: ≤ λ/3 (Typical @ 633 nm)
Surface Quality: 40 – 20 scratch-dig
Beam Deviation (transmittance): ≤ 5 arc min
Dimensional Tolerance: + 0.0 mm / – 0.25 mm
Acceptance Angle: Up to ± 25˚
Maximum Temperature: 90 ˚C
ICE Cube™ Wiregrid Polarizing Beamsplitter
The ICE Cube™ is assembled by embedding our polarizing beam splitter plate between two AR coated glass prisms. These cubes are designed with Nanowire® grid structures centered on the hypotenuse of the ICE Cube™. The ICE Cube™ PBS separates natural light into two main orthogonal, linearly polarized components; the p-polarized light which is transmitted while the s-polarized light is reflected at a 90° angle. In principle, half of the incident light is reflected, and the other half is transmitted.
See Details
SPECIFICATIONS | |
Substrate Material | N-BK7 |
Operating Wavelength: | 400 – 700 nm (typical average for azimuthal) |
Average Reflectivity: | < 0.5 % @ 400 – 700 nm |
Transmitted Wavefront Distortion | ≤ λ/3 |
Surface Quality | 40 – 20 scratch-dig |
Beam Deviation (transmittance) | ≤ 5 arc min |
Dimensional Tolerance | + 0.0 mm / – 0.25 mm |
Acceptance Angle | Up to ± 25˚ |
Maximum Temperature | 90 ˚C |
Many options, including custom wavelengths and sizes are available.
Please contact your Meadowlark Optics Solutions Engineer for more information.
Ordering Information – Contact Us or Buy Online
ORDERING INFORMATION |
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Unmounted |
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Dimension |
Clear Aperture |
Part Number |
|
1.00 x 1.00 x 1.00 in |
0.90 in |
BV-100-ICE |
Typical Angle of Incidence (AOI) Performance for Ice Cube™ Polarizing Beam Splitter |
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ICE Cube™ |
Angle of Incidence (AOI) Averaged 400 – 700 nm |
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|
0 ̊ |
± 5 ̊ |
± 10 ̊ |
± 15 ̊ |
± 20 ̊ |
± 25 ̊ |
|
|
Tp % |
78 |
78 |
77 |
76 |
75 |
73 |
|
Ts % |
0.016 |
0.015 |
0.017 |
0.020 |
0.020 |
0.025 |
|
Rs % |
84 |
84 |
84 |
84 |
84 |
84 |
|
Rp % |
1.7 |
1.6 |
2.2 |
3 |
4.3 |
6 |
|
Contrast Ratio |
7,100 |
7,100 |
7,100 |
6,700 |
5,600 |
4,100 |
|
Efficiency % |
66.3 |
66.0 |
65.5 |
64.7 |
63.6 |
62.1 |
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