Single Crystal PEM
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  • Single Crystal PEM

Single Crystal PEM

The Photoelastic Modulator (PEM) is a high-speed, large-aperture, wide-bandwidth, high-damage-threshold, and large-incidence-angle optical modulator. Its working principle is similar to that of an electro-optic modulator, controlling the change in the phase difference between the fast and slow axes, thereby controlling the polarization state of the transmitted light beam. The PEM can add a certain phase difference to linearly polarized light, causing the output light to change between states such as circular polarization, elliptical polarization, and linear polarization. At the same time, the PEM can also switch the light between left-handed and right-handed states.


Application:

  • The PEM offered by ModuOptic can be customized according to the operating mode and can be divided into one-dimensional and two-dimensional types. The one-dimensional PEM has only one vibration dimension and is suitable for ultraviolet, visible, and near-infrared bands; the two-dimensional PEM has two vibration dimensions, capable of achieving a wider range of phase modulation and is mainly used in the visible and infrared bands.

    Product Code
    (Download specification)
    Working Wavelength (nm) Active Aperture(mm) Operating Frequency (kHz) Transmittance Maximum Modulation Dielectric Material
    EMA0001-F50K-018-532 400-700 18 50 >98%@532nm >λ/2 Fused quartz
    EMA0003-F50K-022-532 170-2000 22 50 >98%@532nm >λ/4 Fused quartz
    EMA0005-F40K-018-633 170-2000 18 40 >98%@633nm >λ/4 Fused quartz
    EMA0006-F60K-018-633 170-2000 18 60 >98%@633nm >λ/4 Fused quartz
    EMA0007-F50K-018-633 170-2000 18 50 >98%@633nm >λ/4 Fused quartz
    EMA0008-F70K-018-633 170-2000 18 70 >98%@633nm >λ/4 Fused quartz
    EMA0009-F50K-018-770 170-2000 14 50 >98%@770nm >λ/4 Fused quartz
    EMB0002-Z60K-014-10600 3000-12000 14 60 >96% >λ/4 Zinc Selenide

Our team will be at your service!

We are a technology-based company specializing in the development and manufacture of precision optical instruments and high quality optical modulators. Pulse products are a national high-tech enterprise that combines unique expertise in the fields of precision optics, laser technology, radio frequency and high frequency/high voltage technology.

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E-mail: sales@moduoptik.com   
ADD: 1-2/F, Building A9, Gongtou Chuangzhi Tiandi, No. 1500 Beicheng Avenue, Lindian Street, Luyang District, Hefei City, Anhui Province

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Anhui Kemi Instrument Co.,LTD

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