|
THz波片
THz Waveplates
太赫兹波片
λ/2 plate gives phase delay π
λ/4 plate gives phase delay π/2
A half-wave plate changes the polarization direction of linear polarized light
A quarter-wave plate changes linearly polarized light to circular and vice versa
|
THz Waveplate for Single Operation Wavelength
|
|
Retardation Type,
|
1/2 λ, 1/4 λ
|
|
Operation Wavelength
|
30-1000μm
|
|
Material
|
THz Grade Crystal Quartz
|
|
Orientation
|
x-cut
|
|
Orientation Tolerance
|
±10 min, arc
|
|
Standard Dimensions
|
20×20mm, 50×50mm
|
|
Max. Dimensions
|
60×60mm
|
|
Dimensions Tolerance
|
±0.25mm
|
|
Thickness Tolerance
|
±5.0μm
|
|
Clear Aperture
|
≥90%
|
|
Parallelism
|
5 min, arc
|
|
Surface Quality
|
60/40 scr/dig
|
|
TWD
|
1/2 λ@633nm
|
Segmented waveplate consisting of several specially oriented half-wave plates
allows getting radiation with radial and azimuthal polarization from linearly polarized one
www.NewOpto.com
|
.jpg)
太赫兹光谱与器件
