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Castech, a manufacturer of acousto-optic and electro-optic components, is featured on GoPhotonics for its portfolio of acousto-optic modulators, acousto-optic frequency shifters, acousto-optic Q-switches, acousto-optic tunable filters, and BBO Pockels cells designed for laser processing, optical modulation, and precision photonics applications. The company focuses on high diffraction efficiency, stable optical modulation, high optical transmission, precise wavelength selection, reliable electro-optic switching, and frequency shifting to support accurate and efficient laser system performance across industrial and research environments. These solutions are widely used in laser marking, micromachining, material processing, hyperspectral imaging, optical communication, interferometry, laser Doppler velocimetry, laser cooling, regenerative amplifiers, pulse pickers, cavity dumping, and other advanced photonics applications.
CAOMM-f-a-mt-w-cn-h - Acousto-Optic Modulators for Micromachining Applications
The CAOMM-f-a-mt-w-cn-h is an acousto-optic modulator that operates at wavelengths of 266 nm, 355 nm, and 370 nm. It provides high diffraction efficiency, low channel crosstalk, and stable optical modulation for multi-channel laser systems. It is based on quartz crystal or tellurium dioxide (TeO2) acousto-optic materials and is available in 5-channel and 10-channel configurations to support different application requirements. It supports SMA RF connectors for convenient integration into optical systems. It is ideal for laser marking, micromachining, printing, and material processing applications.
BPA-alq-b-w - BBO Pockels Cells for Q-switching Applications
The BPA-alq-b-w is a beta barium borate (BBO) Pockels cell that operates at wavelengths of 1030 nm and 1064 nm. It provides a high extinction ratio, high optical transmission, fast rise and fall time, and a high laser damage threshold for reliable electro-optic switching performance. It is available in square configurations for integration into laser systems. It is ideal for Q-switching, regenerative amplifiers, pulse pickers, and cavity dumping applications.
CATF-w-a-mt-w-c-h - Acousto-Optic Q-Switches for Material Processing Applications
The CATF-w-a-mt-w-c-h is an acousto-optic tunable filter that operates at wavelengths from 450 nm to 1450 nm. It provides high diffraction efficiency, fine spectral resolution, and supports crystalline quartz (CQ) or tellurium dioxide (TeO2) as the acousto-optic material with compressional or shear wave modes. It supports SMA-F RF connectors and is available in multiple module configurations. It is ideal for ultrafast lasers, hyperspectral imaging, wavelength selection, optical communication, and laser wavelength tuning applications.
CAQS-f-a-mt-w-c-h - Acousto-Optic Q-Switches for Material Processing Applications
The CAQS-f-a-mt-w-c-h is a fused silica acousto-optic Q-switch that operates at wavelengths from 310 nm to 10.6 μm. It is based on quartz crystal or fused silica and provides high loss modulation, high optical transmittance, and a high laser damage threshold for reliable Q-switching performance. It supports SMA female connectors and is available in multiple package configurations. It is ideal for laser marking, medical procedures, and material processing applications.
CAFS-f-r-a-mt-w-c-h - Acousto-Optic Frequency Shifter for Interferometry Applications
The CAFS-f-r-a-mt-w-c-h is a free-space acousto-optic frequency shifter designed for laser wavelengths from 355 nm to 3000 nm. It provides frequency shifts from ± 3 MHz to ± 100 MHz with center frequencies ranging from 20 MHz to 300 MHz, depending on the configuration. It uses tellurium dioxide (TeO2) as the acousto-optic material and is available with compressional or shear acoustic modes. It offers optical transmission up to 99% and diffraction efficiency up to 85%, depending on the selected wavelength and operating frequency. It supports custom center frequencies, frequency shift ranges, and matched RF driver options for application-specific requirements. It is available with SMA-F, SMA-M, SMC-F, or SMC-M RF connectors and multiple housing configurations. It is ideal for interferometry, laser cooling, laser Doppler velocimetry, and optical heterodyne detection.
With its broad portfolio of acousto-optic modulators, acousto-optic frequency shifters, acousto-optic tunable filters, acousto-optic Q-switches, and BBO Pockels cells, Castech Inc. enables precise optical modulation, efficient laser switching, accurate frequency control, and wavelength management across advanced photonic systems. By combining high-performance acousto-optic materials, optimized optical designs, multi-channel configurations, and reliable electro-optic technologies, Castech Inc. delivers stable performance, enhanced laser control, and accurate light manipulation for demanding industrial and research applications. Castech Inc.’s focus on optical precision, modulation efficiency, and application-specific photonic solutions makes it a trusted provider for laser processing, micromachining, spectroscopy, interferometry, optical communication, imaging, and advanced laser system applications.
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