Polarizer Principles
Meadowlark Optics DOWNLOAD PRINCIPLES Dichroic Polarizers Meadowlark Optics offers an
Glan-Thompson Polarizer
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$660.00 – $1,056.00
Key Features
- Broad spectral range
- Excellent extinction ratio
- Wide field of view
- Low wavefront distortion
Calcite is a naturally occurring birefringent crystal. By precisely controlling internal prism angles in these calcite polarizers, a very efficient linear polarizer is produced.
Meadowlark Optics offers Glan-Thompson Polarizers, intended for precision optical instrumentation and low power laser applications. Key advantages of Glan-Thompson Polarizers include excellent extinction ratio performance and a broad spectral range.
Our Glan-Thompson Polarizers are supplied in a black anodized cylindrical housing for easy mounting. The housing is marked to indicate the polarization axis of the transmitted beam. The rejected component of the beam is totally internally reflected and eventually absorbed by the anodized aluminum. Common Specifications
Material: Grade A Optical Calcite
Extinction Ratio: 10,000:1 over central 2/3 of clear aperture
Reflectance, per surface, at normal incidence, uncoated single layer MgF₂:
~ 4.5 %
~ 1.5 %
Beam Deviation: ± 3 arc min
Acceptance Angle: ± 5˚
Wavelength Range: 320 – 2300 nm
Recommended Safe Operating Limit: 25 – 30 W/cm² CW
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Item # | Mount | Size | Wavelength | Clear Aperture | Thickness | Lead Time | Price | Quantity | Add to cart |
|---|---|---|---|---|---|---|---|---|---|
GTP-M05-UNC | Mounted | 0.620 in. (15.74 mm) | 1000-1500 | 0.190 in. (5.00 mm) | 0.875 in (22.23 mm) | 4 Weeks | $660.00 | ||
GTP-M08-UNC | Mounted | 0.748 in. (18.99 mm) | 1000-1500 | 0.310 in. (8.00 mm) | 1.125 in (28.57 mm) | 4 Weeks | $726.00 | ||
GTP-M05-0550 | Mounted | 0.620 in. (15.74 mm) | 320-2300 | 0.190 in. (5.00 mm) | 0.875 in (22.23 mm) | 4 Weeks | $814.00 | ||
GTP-M05-0825 | Mounted | 0.620 in. (15.74 mm) | 400-700 | 0.190 in. (5.00 mm) | 0.875 in (22.23 mm) | 4 Weeks | $814.00 | ||
GTP-M05-1250 | Mounted | 0.620 in. (15.74 mm) | 650-1000 | 0.190 in. (5.00 mm) | 0.875 in (22.23 mm) | 4 Weeks | $814.00 | ||
GTP-M08-0550 | Mounted | 0.748 in. (18.99 mm) | 320-2300 | 0.310 in. (8.00 mm) | 1.125 in (28.57 mm) | 4 Weeks | $880.00 | ||
GTP-M08-0825 | Mounted | 0.748 in. (18.99 mm) | 400-700 | 0.310 in. (8.00 mm) | 1.125 in (28.57 mm) | 4 Weeks | $880.00 | ||
GTP-M08-1250 | Mounted | 0.748 in. (18.99 mm) | 650-1000 | 0.310 in. (8.00 mm) | 1.125 in (28.57 mm) | 4 Weeks | $880.00 | ||
GTP-M10-UNC | Mounted | 0.873 in (22.17 mm) | 1000-1500 | 0.390 in. (10.00 mm) | 1.375 in (34.92 mm) | 4 Weeks | $902.00 | ||
GTP-M10-0550 | Mounted | 0.873 in (22.17 mm) | 320-2300 | 0.390 in. (10.00 mm) | 1.375 in (34.92 mm) | 4 Weeks | $1,056.00 |
Glan-Thompson Polarizer
Our Glan‐Thompson Polarizers are supplied in a black anodized cylindrical housing for easy mounting. The housing is marked to indicate the polarization axis of the transmitted beam. The rejected component of the beam is totally internally reflected and eventually absorbed by the anodized aluminum.
Although raw calcite material transmits down to 215 nm, the cement interface limits ultraviolet transmission. For this reason, we recommend Glan‐Thompson Polarizers for use over 320 – 2300 nm.
Three antireflection coating options cover the visible to near infrared range. Uncoated Glan‐Thompson Polarizers are also available.
See Details
SPECIFICATIONS | |
Material | Grade A Optical Calcite |
Extinction Ratio | 10,000:1 over central 2/3 of clear aperture |
Reflectance (per surface, at normal incidence) | |
Uncoated Single layer MgF₂ | ~ 4.5 % ~ 1.5 % |
Beam Deviation | ± 3 arc min |
Acceptance Angle | ± 5˚ |
Wavelength Range | 320 – 2300 nm |
Recommended Safe Operating Limit | 25 – 30 W/cm² CW |
Ordering Information – Contact Us or Buy Online
ORDERING INFORMATION | |||
Clear Aperture | Wavelength Range (nm) | AR Coating | Part Number |
5.0 | 320 – 2300 | None | GTP–M05 |
5.0 | 400 – 700 | MgF₂ | GTP–M05–0550 |
5.0 | 650 – 1000 | MgF₂ | GTP–M05–0825 |
5.0 | 1000 – 1500 | MgF₂ | GTP–M05–1250 |
8.0 | 320 – 2300 | None | GTP–M08 |
8.0 | 400 – 700 | MgF₂ | GTP–M08–0550 |
8.0 | 650 – 1000 | MgF₂ | GTP–M08–0825 |
8.0 | 1000 – 1500 | MgF₂ | GTP–M08–1250 |
10.0 | 320 – 2300 | None | GTP–M10 |
10.0 | 400 – 700 | MgF₂ | GTP–M10–0550 |
10.0 | 650 – 1000 | MgF₂ | GTP–M10–0825 |
10.0 | 1000 – 1500 | MgF₂ | GTP–M10–1250 |
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