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石墨烯納米材料
 石墨烯納米材料
 

 

太赫茲光學元件--Teflon特氟龍定制

 

TEFLON特氟龍產品可以用于太赫茲的光學元件,下圖是特氟龍在太赫茲範圍的吸收︰

太赫茲光學元件

太赫茲透鏡︰

太赫茲透鏡

 

定制太赫茲柱面鏡︰

定制太赫茲柱面鏡

 

Microtech Instruments 太赫茲偏振片︰

太赫茲偏振片 

Polarizer Model Wire diameter / Wire spacing (mm) Clear aperture / External diameter (mm)
G25 x 10-S 10 / 25 40 / 50
G30 x 10-S 10 / 30 40 / 50
G30 x 10-L 10 / 30 88 / 98
G45 x 10-S 10 / 45 40 / 50
G45 x 10-L 10 / 45 88 / 98
G50 x 20-S 20 / 50 40 / 50
G50 x 20-L 20 / 50 88 / 98
G60 x 15-S 15 / 60 40 / 50
G60 x 15-L 15 / 60 88 / 98
G80 x 15-S 15 / 80 40 / 50
G80 x 15-L 15 / 80 88 / 98
G100 x 20-S 20 / 100 40 / 50
G100 x 20-L 20 / 100 88 / 98
G200 x 20-S 20 / 200 40 / 50
G200 x 20-L 20 / 200 88 / 98

 

InfraSpecs 中紅外/遠紅外/太赫茲偏振片

model P03
40cm-1.............5000cm-1
1.2THz..........150THz
250um........2um

model P02
30cm-1.............2500cm-1
0.9THz..........75THz
300um........4um

model P01
4cm-1..................800cm-1
120GHz..........24THz
2.5mm........12um

 

High contrast Far-Infrared and Mid-Infrared Polarizer P03

High contrast polarizer for the far-infrared and complete mid-infrared simultaneously. High-frequency limit is extended to typically 5000cm-1 or 2μm. A polarization contrast of Tp/Ts = 10,000 : 1 is reached.

Very high degree of polarization P = (Tp - Ts)/(Tp + Ts) > 99.99%
Thin, compact, rotable
Wide wavelength range > 250μm to 2μm (equivalent to 40 ..... 5000cm-1)
Complete and continuous mid-ir to far-ir-coverage
No substrate - there is no beam deviation and no substrate dependent dispersion
Ideal for 1.2 to 150THz spectroscopy
Standard clear apertures: 13 and 25mm diameter, new: 18.4mm
Application: THz-, fir-, mir-spectroscopy, polarimetry, ellipsometry
The polarizer is mounted in a 50 (33)mm dia. x 14mm thick metal ring. Four 2mm dia. screw holes on a 38 (24)mm dia. circle are provided for mounting.
New: the 18.4mm diameter CA is mounted in 25.4mm diameter ring with 2.5mm thickness
Please see below the typical extinction and transmission spectrum (against linearly polarized light as reference):

InfraSpecs 中紅外 遠紅外 太赫茲偏振片

 

High contrast Infrared Polarizer P02

Free-standing grid array polarizer for the far-infrared and mid-infrared. Patented design extends high-frequency limit by one order of magnitude to typically 2500cm-1 or 4μm. A polarization contrast better than Tp/Ts = 10,000 : 1 is reached.

Very high degree of polarization P = (Tp - Ts)/(Tp + Ts) > 99.99%
Thin, compact, rotable
Wide wavelength range > 300μm to 4μm (equivalent to 30 ..... 2500cm-1)
Continuous mid-ir to far-ir-coverage
No substrate - there is no beam deviation and no substrate dependent dispersion
Ideal for 0.9 to 75THz spectroscopy
Standard clear apertures: 25mm, 40mm and 100mm diameter
Application: THz-, fir-, mir-spectroscopy, polarimetry, ellipsometry
The CA 25mm polarizer is mounted in a 34.8mm dia. x 8mm thick metal ring.

Please see below the typical extinction and transmission spectrum (against linearly polarized light as reference):

InfraSpecs 中紅外 遠紅外 太赫茲偏振片

 

High contrast Broadband Millimeter-Wave and Far-Infrared Polarizer P01

Highcontrast grid array polarizer for the far-infrared and millimeter-wave region. A polarization contrast better than Tp/Ts = 10,000 : 1 is reached.

Very high degree of polarization P = (Tp - Ts)/(Tp + Ts) > 99.99%
Thin, compact, rotable
Continuous millimeter-wave to far-ir-coverage
No substrate - there is no beam deviation and no substrate dependent dispersion
Wide wavelength range > 2.5mm to 12μm (equivalent to 4 ....... 800cm-1 or 120GHz ....... 24THz)
Standard clear apertures: 25mm, 40mm and 100mm diameter
Application: THz-, fir-, mir-spectroscopy, polarimetry, ellipsometry
The CA 25mm polarizer is mounted in a 34.8mm dia. x 8mm thick metal ring.

Please see below the typical extinction and transmission spectrum (against linearly polarized light as reference):

InfraSpecs 中紅外 遠紅外 太赫茲偏振片

 

 

 


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