Polarizer, Glan-Thompson Calcite, 25.4 mm Diameter, 1000 to 1550nm

glan-thompson calcite polarizer model 10gt04

The 10GT04AR.18 Glan-Thompson Calcite Polarizer provides high purity linear polarization for broadband sources or multiple laser wavelengths. The large acceptance angle of this polarizer allows it to be used in highly converging or diverging beams. S-polarization is transmitted with Ts >90%, while p-polarization is reflected and absorbed into the housing. Our Glan-Thompson polarizers are fabricated from select-grade calcite prism pairs, cemented together and assembled into a black anodized aluminum housing. The cemented surface limits their use to lower power applications. The output polarization axis is clearly marked on the housing. The housing has been designed to mount into our standard 25.4 mm optic holders, rotary stages, and precision positioning components. This polarizer has Newport's AR.18 IR broadband antireflection coating with a 1000 to 1550 nm wavelength range.

**Calcite polarizers are made with natural crystals, and even in the best grade of calcite, there are embedded flaws which can not be corrected. The laser damage threshold value below was given for reference only and can not be guaranteed. **

Specifications

Technical Specs

Diameter
25.4 mm
Wavelength Range
1000-1550 nm
Material
Optical Grade Calcite
Extinction Ratio
100000:1
Damage Threshold
1 W/cm² CW, 0.1 µJ/cm² with 10 nsec pulses, typical
Surface Quality
20-10 scratch-dig
Clear Aperture
10.0 mm
Diameter Tolerance
±0.25 mm

Transmitted Beam Deviation
<3 arc min
Transmission
T_s > 90%, polarized input, with AR coating for 1000-1550 nm
Acceptance Angle
14°–16°, full angle
Wavefront Distortion
≤λ/4 at 632.8 nm over the full aperture
Maximum Temperature
90°C

Diameter
25.4 mm
Wavelength Range
1000-1550 nm
Material
Optical Grade Calcite
Extinction Ratio
100000:1
Damage Threshold
1 W/cm² CW, 0.1 µJ/cm² with 10 nsec pulses, typical
Surface Quality
20-10 scratch-dig
Clear Aperture
10.0 mm
Diameter Tolerance
±0.25 mm

Transmitted Beam Deviation
<3 arc min
Transmission
T_s > 90%, polarized input, with AR coating for 1000-1550 nm
Acceptance Angle
14°–16°, full angle
Wavefront Distortion
≤λ/4 at 632.8 nm over the full aperture
Maximum Temperature
90°C

Resources & Downloads

3D Product Models

Download CAD Files

2D Product Drawings

GLANTHOM-S(69.4 kB, PDF)

Other

10GT04AR.18 RoHS Certificate(264.8 kB, PDF)
10GT04AR.18_ROHS2-2021.pdf(279.9 kB, PDF)
AR.18 Raw Data.xlsx(113.4 kB, XLSX)

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