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A Glan–Laser prism is made of two birefringent wedges which are separated on their long surfaces with an air gap. By arranging optical axes parallel to the plane of entrance, total internal reflection of s-polarized light at the air-gap ensures that only p-polarized light is transmitted by the device. Because the incident angle at the gap can be reasonably close to Brewster's angle, a considerable increase in transmission is obtained. The Glan–Laser prism has two escape windows and it is suitable for high power applications.
You may refer to this page (http://www.pmoptics.com/crystals.html) for material properties.
Features:
- High Polarization Purity
- High Damage Threshold
- High Transmittance
- Wide wavelength Range
- Air-Spaced with two escape windows for high power applications
- Cutting angle close to Brewster's angle
- e-ray passing through with little deviation
Specification:
| Materials |
Alpha-BBO (190~3500nm) or Calcite (350~2300nm) |
| Dimensional Tolerance |
± 0.1mm |
| Extinction Ratio |
Alpha-BBO < 1×10-6 , Calcite < 5×10-5 |
| Damage Threshold |
>1GW/cm^2 at 1064nm for Alpha-BBO |
| Transmittance |
Tp > 95% |
| Flatness |
λ/4 @ 632.8nm |
| Surface Quality |
20 ~ 10 |
| Beam Deviation |
< 3 arc minutes |
| AR coating |
Single Layer MgF2 on input and output surfaces |
| Mount |
Black Anodized Aluminum |
Alpha-BBO Glan Laser polarizer in stock, clear aperture:10mm, length:25.4mm, PGLP-04302 ($925):
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| This Glan Laser Polarizer has a single layer AR coating on both input and output surfaces from 700 to 3000nm. It has high damage threshold and high extinction ratio. Contact us for quantity pricing. |
Ordering Information:
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A
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Wavelength
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01 = 200 ~ 270 nm for Alpha-BBO |
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| 02 = 270 ~ 400 nm for Alpha-BBO |
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| 03 = 400 ~ 700 nm for Alpha-BBO |
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| 04 = 700 ~ 3000 nm for Alpha-BBO |
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| 05 = 350 ~ 2300 nm for Calcite |
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| 00 = Special |
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B
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Material
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2 = Calcite
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3 = Alpha-BBO
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0 = Special |
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C
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Dimensions
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01 = 8.0mm(φ1)X25.4mm(φ2)X24.7mm(L) |
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Check Standard Size Table Below |
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00 = Custom Dimensions |
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Standard Size Table (See the figure above):
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Dimensions P/N
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Clear Aperture Φ1 (mm)
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Outside Diameter Φ2 (mm) |
Length (L:mm) |
Wavelength Range λ (nm) |
Material |
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01
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8.0
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25.4 |
24.7 |
700 ~ 3000
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Alpha-BBO
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02
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10.0
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25.4 |
25.9 |
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03
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15.0
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30.0 |
33.0 |
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04
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20.0
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38.0 |
43.6 |
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05
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8.0
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25.4 |
25.0 |
400 ~700 |
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06
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10.0
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25.4 |
26.0 |
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07
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15.0
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30.0 |
33.4 |
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08
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20.0
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38.0 |
41.7 |
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09
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8.0
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25.4 |
24.5 |
350 ~ 2300
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Calcite |
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10
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10.0
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25.4 |
26.2 |
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11
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15.0
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30.0 |
33.3 |
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