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GTPB/GTPC
Wavelength Range
Extinction ratio
φA
φD×L
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This is a special polarizer with minimal transmission loss, and a high extinction ratio below 5×10-5 is obtained. It is used in high-precision polarization experiments. The Calcite can be used in the visible to the infrared region, and α-BBO crystal type usable in the ultraviolet region are available.

◦Glan Thompson prism is housed in a metal frame, and no stress is applied to the inner element when frame is mounted in the holder.
◦Calcite type Glan Thompson prism are available in two acceptance angles.
◦A single-layer anti-reflection coating has been applied on the surface of the Glan Thompson prism to provide high transmittance.

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Guide

▶Glan laser prism for high-power laser (GLPB / GLP) and Wollaston prism (WPPB / WPPC) are also available.
W3451, W3453
▶If you need uncoated Glan Thompson prism or anti-reflection coating with specific reflectance, please contact our Sales Division with your request.

Attention

▶A change in the incident angle may also change the extinction ratio of the linearly polarized transmitted light.
▶Separation angle will vary depending on the wavelength. Please confirm the wavelength characteristic graph for separation angle.
▶Because of natural calcite crystals, there are individual differences, and variations in quality.

Common Specifications
Materialα-BBO , Calcite
Angular deviation of beam<3′
Transmitted wavefront distortionλ/4
CoatingBoth surfaces ; MgF2 single-layer antireflection coating
Laser Damage Threshold0.3J/cm2 (Laser pulse width ; 10ns )
Surface Quality (Scratch-Dig)20-10
Material propretiesAluminum ( Finishing ; Black Anodized)
Outline Drawing

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Part Number
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    JP Yen Stock Qty
GTPB-06-18SN
GTPB-08-21SN
GTPB-10-24.5SN
GTPB-15-32.5SN
GTPC-06-23SN
GTPC-08-28SN
GTPC-10-33SN
GTPC-15-45.5SN
GTPC-06-26SN
GTPC-08-32SN
GTPC-10-38SN
GTPC-15-53SN

200 - 900nm

<5×10-6

φ6mm

15×18mm

200 - 900nm

<5×10-6

φ8mm

25.4×21mm

200 - 900nm

<5×10-6

φ10mm

25.4×24.5mm

200 - 900nm

<5×10-6

φ15mm

30×32.5mm

350 - 2300nm

<5×10-5

φ6mm

15×23mm

350 - 2300nm

<5×10-5

φ8mm

25.4×28mm

350 - 2300nm

<5×10-5

φ10mm

25.4×33mm

350 - 2300nm

<5×10-5

φ15mm

30×45.5mm

350 - 2300nm

<5×10-5

φ6mm

15×26mm

350 - 2300nm

<5×10-5

φ8mm

25.4×32mm

350 - 2300nm

<5×10-5

φ10mm

25.4×38mm

350 - 2300nm

<5×10-5

φ15mm

30×53mm

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¥58,000

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¥66,000

IN STOCK
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¥87,000

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¥155,000

IN STOCK
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¥38,000

LOW
RoHS  

¥45,000

LOW
RoHS  

¥54,000

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US
RoHS  

¥81,000

LOW
RoHS  

¥46,000

IN STOCK
RoHS  

¥53,000

IN STOCK
RoHS  

¥65,000

IN STOCK
RoHS  

¥93,000

CONTACT
US