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GoPhotonics presents a versatile portfolio of high-performance Acousto-Optic Modulators (AOMs) from leading global manufacturers, enabling precise laser beam modulation, intensity control, and optical frequency shifting across scientific, industrial, telecommunications, and defense applications. Engineered for fast response times, high diffraction efficiency, and stable optical performance, these modulators support demanding functions such as pulse picking, Q-switching, spectroscopy, laser micromachining, material processing, and optical communications.

The curated range includes free-space and fiber-coupled AOMs developed using fused silica, quartz crystal, AMTIR chalcogenide glass, and tellurium dioxide (TeO₂) materials to support operation from the ultraviolet (UV) to near-infrared (NIR) spectral regions. Offering high extinction ratios, low insertion losses, wide modulation bandwidths, and compact packaging, these devices are designed for seamless integration into advanced laser systems, research instrumentation, and OEM photonics platforms.

H-401: Fused Silica Acousto-Optic Modulator for UV & Visible Laser Systems

The H-401 from L3Harris Technologies is a fused silica Acousto-Optic Modulator designed for ultraviolet and visible wavelength applications from 257 nm to 532 nm. Operating at a nominal center frequency of 100 MHz with a deflection bandwidth of 85 MHz to 115 MHz, the AOM delivers diffraction efficiency of up to 90% at center frequency and provides a total beam angle of 1.83 mrad. Featuring advanced coherent transducer array technology and high-frequency bulk wave transducers, the device ensures exceptional beam-pointing stability and modulation accuracy.

With an optical beam diameter of 0.25 mm to 3.5 mm (H) x 0.35 mm (V), minimum on/off contrast ratio of 30 dB, and compact module packaging, the H-401 is ideal for optical modulation in UV and visible systems requiring precision beam steering, predeflection, pointing adjustment, and micromachining in UV laser applications.

I-M080-2C10G-4-AM3: Quartz Crystal Acousto-Optic Modulator for Pulse Picking Applications

The I-M080-2C10G-4-AM3 from Gooch & Housego is a quartz crystal Acousto-Optic Modulator optimized for operation at wavelengths from 1030 nm to 1064 nm. Operating at 80 MHz in compressional acoustic mode, the device provides diffraction efficiency above 85% while maintaining transmission greater than 99.4% for highly efficient optical performance.

Featuring a 2 mm active aperture, rise time of 113 ns/mm, separation angle of 14.9 mrad, and damage threshold exceeding 1 GW/cm², this AOM is engineered for demanding laser environments. Available in a compact AM3 housing with SMA female pigtail fiber connectors, the modulator is ideal for material processing, pulse picking, and laser intensity control applications.

TEM-200-25-20-2FP: Fiber-Coupled Acousto-Optic Modulator for Telecommunications & Spectroscopy

The TEM-200-25-20-2FP from Brimrose Corporation is a fiber-coupled Acousto-Optic Modulator developed for wavelengths ranging from 1000 nm to 2100 nm. Operating at a center frequency of 200 MHz with a modulation bandwidth of 25 MHz, the device enables ultra-fast switching with a rise time of just 20 ns.

The AOM delivers insertion loss below 2.5 dB, an ON/OFF extinction ratio above 50 dB, and back reflection of up to -50 dB for reliable signal integrity. Supporting both single-mode and SMPM fiber, the hermetically sealed modulator integrates an RF driver with high frequency stability and is ideal for TTL/digital amplitude modulation, analog amplitude modulation, telecommunications, fiber sensing, pulse picking, Q-switching, spectroscopy, EDFA power control, and OEM design applications.

FCM-40.8E6CA: Near-Infrared Acousto-Optic Modulator for Optical Frequency Shifting

The FCM-40.8E6CA from IntraAction Corp. is a near-infrared Acousto-Optic Modulator designed for operation at 1.3 µm using AMTIR-1 chalcogenide glass material. Operating at an RF frequency of 40 MHz with RF drive power of 500 mW, the AOM enables efficient intensity modulation and optical frequency shifting.

The device features insertion loss below 1 dB, a modulation bandwidth of 7.5 MHz, optical rise time of 60 ns, and optical back reflection of -40 dB. Supporting single-mode fiber with FC-PC connector compatibility, the AOM is well-suited for optical communication systems and advanced research applications requiring stable frequency modulation.

1310AOM-1: TeO2 Acousto-Optic Modulator for Fiber Laser Q-Switching

The 1310AOM-1 from AeroDIODE is a tellurium dioxide (TeO₂) near-infrared Acousto-Optic Modulator optimized for operation at 1310 nm, with customizable wavelength configurations available. Operating at 80 MHz, the fiber-coupled device delivers an optical power of 0.5 W, extinction ratio of 55 dB, and rise time of 50 ns for high-speed and precise modulation.

Compatible with PM1550 fiber and supporting FC/APC and SMA connectors, the AOM offers insertion loss of 2.5 dB and RF power of 2.5 W within a compact package footprint. The device is ideal for pulse picking, fiber laser Q-switching, and narrow-linewidth laser measurement applications.

With its growing portfolio of Acousto-Optic Modulators, GoPhotonics continues to provide engineers, researchers, and OEM developers with advanced solutions for precise laser modulation and beam control. Combining fast switching speeds, high extinction ratios, low insertion losses, and rugged package designs, these AOMs address critical requirements across telecommunications, spectroscopy, laser processing, scientific research, and high-performance photonics systems.

Click here to learn more about acousto optic modulators.