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GoPhotonics presents a broad portfolio of acousto-optic frequency shifters engineered for precise optical frequency control, beam deflection, and high-speed modulation across visible, near-infrared, and mid-infrared spectral regions. Designed to support applications ranging from precision printing and laser scanning to LiDAR, optical metrology, and coherent sensing, this lineup includes TeO₂ and single-crystal germanium-based AOFS technologies optimized for different wavelength bands and system requirements. Covering a wide range of operating frequencies, modulation bandwidths, diffraction efficiencies, and polarization configurations, these devices enable accurate frequency shifting, fast optical switching, and controlled beam steering for demanding laser-based systems.

With performance attributes such as high diffraction efficiency, low optical loss, fast response times, stable RF coupling, and well-defined beam separation characteristics, these acousto-optic frequency shifters are built for reliable and repeatable operation in both free-space and fiber-coupled architectures. Support for compact form factors, standard RF interfaces, and compatibility with common laser sources make them suitable for scientific research, industrial processing, precision sensing, and OEM integration. GoPhotonics’ acousto-optic frequency shifter portfolio enables robust laser control for applications including precision printing, photolithography, optical tweezers, laser doppler measurement, wind radar, LiDAR, signal processing, and advanced photonics instrumentation.

DT230-B120A0.5-VIS - TeO2 Acousto-Optic Frequency Shifter for Printing Applications

The DT230-B120A0.5-VIS from Photon Lines is a TeO₂ acousto-optic frequency shifter designed for operation in the visible spectral range of 450 nm - 670 nm, indicating its suitability for visible laser systems. Its specified operating and carrier frequencies define its capability for precise and stable optical frequency shifting, while the stated resolution reflects fine control over frequency tuning. The device supports linear polarization and a TEM₀₀ spatial mode, specifying high beam quality, which is further confirmed by a low M² value and a high static extinction ratio for efficient beam suppression. The given scan angle characterizes its beam deflection capability, and the active aperture specifies the usable interaction region between the optical and acoustic waves. High diffraction efficiency and acoustic velocity indicate effective acousto-optic interaction within the crystal. Optical transmission above 95 percent and short access time specify low insertion loss and fast response, while the power density rating defines the allowable optical loading. RF related specifications such as impedance, VSWR, and required RF power indicate efficient and well matched RF drive conditions, and the SMA interface and compact integrated form factor specify ease of system integration. Collectively, these specifications indicate that the device is well suited for applications such as optical tweezers, laser scanning and projection, photolithography, signal processing, mass photometry, and precision printing systems.

MA40-IIR120-Fio-xx - Acousto-Optic Frequency Shifter for LiDAR Applications

The MA40-IIR120-Fio-xx from AA Opto-Electronic is an acousto-optic frequency shifter designed for operation in the infrared spectral range of 1290 nm - 1650 nm, specifying compatibility with telecom and LiDAR wavelength bands. The stated frequency shift of ± 40 MHz defines its capability for bidirectional optical frequency modulation, while the analog amplitude modulation bandwidth (-3 dB) specifies the range over which signal intensity can be accurately controlled. The fast rise and fall time indicates high-speed switching performance suitable for dynamic optical shuttering. Its insertion loss and high static extinction ratio specify efficient light transmission with strong on-off contrast. The fiber pigtailed configuration, along with compatibility with standard single-mode and polarization-maintaining fibers and common optical and RF connector interfaces, specifies ease of integration into fiber-based systems. Overall, these specifications indicate that the device is optimized for reliable optical modulation and shutter functions in telecommunications and LiDAR applications.

AOMO 3080-125 - TeO2 Acousto-Optic Frequency Shifter

The AOMO 3080-125 from G&H is a TeO₂ based acousto-optic frequency shifter designed for operation in the visible spectral range of 442 nm - 633 nm, specifying compatibility with common blue and red laser sources. Its defined center frequency specifies stable and repeatable optical frequency shifting, while the stated RF drive conditions indicate wavelength dependent operating requirements. The device is offered with different interaction aperture options, which specify trade-offs between diffraction efficiency, switching speed, and modulation bandwidth, with higher efficiencies achieved for larger beam diameters and faster temporal response for smaller interaction regions. The specified optical power handling and acoustic velocity indicate robust acousto-optic interaction suitable for high performance beam control. Anti-reflection coating performance and low insertion loss specify efficient optical throughput, while defined polarization orientation and high contrast ratio specify strong polarization selectivity and effective beam extinction. RF bandwidth, impedance matching, and low VSWR specify efficient RF coupling and stable operation. The specified Bragg angle and beam separation characterize predictable beam deflection behavior across supported wavelengths, and the compact housing indicates suitability for integration into space constrained optical systems.

AGM-406A3 - Single-Crystal Germanium Acousto-Optic Frequency Shifter

The AGM-406A3 from IntraAction Corp. is a single-crystal germanium acousto-optic frequency shifter designed for mid-infrared operation at a wavelength of 3.39 μm, specifying suitability for IR laser systems in this spectral region. Its defined optical frequency shift range and center frequency specify controlled and stable frequency translation, while the modulation bandwidth characterizes the speed limits for signal modulation. The stated diffraction efficiency specifies effective optical energy transfer into the diffracted order, and the optical insertion loss indicates overall transmission performance. Beam separation and Bragg angle specify predictable and well-defined beam deflection geometry, while the acoustic velocity reflects efficient acousto-optic interaction within the crystal. The optical rise time specifies the device switching speed for dynamic beam control, and the supported optical power level defines its capability to handle relatively high optical loads. Polarization alignment relative to the laser base specifies polarization compatibility, and RF impedance matching and connector type specify straightforward integration with standard RF drive electronics. Overall, these specifications indicate a robust AOFS optimized for mid-infrared frequency shifting, modulation, and beam control applications.

FS1001-TS020-030-633 - Acousto-Optic Frequency Shifter for Laser Wind Radar Applications

The FS1001-TS020-030-633 from ModuOptik is a TeO₂ based acousto-optic frequency shifter designed for operation at a wavelength of 633 nm, specifying compatibility with red laser sources used in precision sensing systems. Its defined center frequency specifies stable optical frequency shifting, while high optical transmission indicates low insertion loss through the device. Support for linear polarization with defined orientation states and a specified separation angle characterizes controlled polarization dependent beam deflection. The stated diffraction efficiency specifies efficient transfer of optical power into the diffracted order, and the shear acoustic mode indicates the type of acousto-optic interaction employed for beam modulation. RF related specifications such as input impedance, acceptable VSWR, supported connector type, and allowable RF drive power specify efficient and reliable RF coupling. Collectively, these specifications indicate that the device is optimized for coherent detection and velocity sensing tasks, including laser heterodyne interferometry, laser doppler velocity and vibration measurements, and laser wind radar applications.

With its broad portfolio of high-performance acousto-optic frequency shifters, GoPhotonics highlights laser control solutions engineered for precise, stable, and repeatable optical frequency modulation and beam steering across visible, near-infrared, and mid-infrared spectral regions. By combining high diffraction efficiency, low optical loss, fast temporal response, and well-matched RF drive characteristics, these devices deliver the accuracy and reliability required for dynamic laser modulation, coherent detection, and precision beam control. GoPhotonics’ focus on performance-driven engineering and application-oriented design positions its acousto-optic frequency shifter portfolio as a trusted foundation for laser scanning, LiDAR, precision printing, optical metrology, spectroscopy, signal processing, and advanced photonics systems operating in demanding environments.

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