The optical elastic modulator is used to change the polarization state of light.
The photoelastic modulator is used to change the polarization state of light. (Transmitted light undergoes dynamic phase delay.) The light-passing part of the modulator is made of isotropic material (which does not depend on direction for its properties or distribution). Isotropic materials vibrate periodically at their inherent resonant frequency. The refractive index of optical materials changes periodically due to the photoelastic effect. Depending on the operating mode, photoelastic modulators can be categorized into two types: (one-dimensional, two-dimensional) 1: One-dimensional photoelastic modulators have only one vibration plane and are used in the ultraviolet, visible, and near-infrared wavelength ranges. 2: Two-dimensional photoelastic modulators have two vibration planes and are used for larger phase modulation. They are mainly used in the visible and infrared wavelength ranges.
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CASTECH has been supplying high-quality optical crystals and laser crystals for over 30 years, and has now begun supplying laser component products by applying that technology. (The crystals and optics used internally are manufactured by CASTECH.) Please make use of our distinctive laser components (isolators, electro-optic modulators, AOMs, EOMs, etc.) in your experiments and products. ◆ Electro-optic modulators ◆ Quantum sensing ◆ Astrometry
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■Inclination measurement ■Quantum sensing ■Spectrometer ■Astrometry ■Magnetometer
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■New products related to barcodes ■Laser diode related ■We accept orders for optical fiber connector processing. *We are currently accepting orders for communication to large diameter with short delivery times! ■Manufacturing of ultra-stabilized LD modules and light source devices ■Import and sales of various semiconductor lasers ■Import and sales of optical modulators and optical peripheral components ■Other import and sales of scientific and analytical instruments and parts
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