太赫兹波片 THz Waveplates

Tydex公司专业订制生产THz光学镜片，可以提供太赫兹专用离轴抛物镜、滤波片、偏振片、窗片、透镜、棱镜、波片、分束片、反射镜和菲涅尔透镜等，同时还提供太赫兹衰减器、太赫兹宽带相位变换器。

    太赫兹波片
THz Waveplates

 Polarimetry technique is very important for analyzing the THz radiations (divergence, spatial or frequency modes, and profiles). The key instrument in polarimetry is polarization modulator which identifies and measures polarized signal.

    Plano-plano plates, made of birefringent material, are used for modifying polarization state of radiation. A waveplate works by shifting the phase between two perpendicular polarization components of the wave. The most common types of waveplates are a half-wave plate (λ/2 plate) and a quarter-wave plate (λ/4 plate). λ/2 plate gives phase delay π and λ/4 plate - 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.
Waveplate will not change the polarization of linearly polarized beam if the polarization direction is along one of waveplate axes.

    Operating principle of half-wave and qurter-wave plates is shown below:

    Tydex offers the following THz waveplates for single operation wavelength: 

Common specification:

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除供应太赫兹波片 THz Waveplates 外，筱晓（上海）光子技术有限公司还可为您提供太赫兹相机、单模掺镱纤芯泵浦光纤 1030-1100nm (用于低功率光纤激光器) 光纤 其他耗材、ps级微型可变光延迟线 630/850/1064/1310/1550nm等产品，公司有专业的客户服务团队，是您值得信赖的合作伙伴。