https://cdn.gophotonics.com/news/1634863337746558_639105275176670443.webp712370
GoPhotonics presents a comprehensive portfolio of Acousto-Optic Mode Lockers (AOMLs) designed to enable stable pulse generation and precise control of ultrafast laser systems. Leveraging fused silica-based designs and advanced acousto-optic interaction principles, these devices deliver high diffraction efficiency, low optical loss, and reliable RF-driven modulation for consistent mode locking performance.
Supporting wavelengths across the visible and near-infrared spectrum, the portfolio is engineered for applications such as nonlinear optics, laser micromachining, interferometry, photonic sampling, and scientific research. With features including high transmission, low wavefront distortion, and compatibility with standard RF drivers, these AOMLs provide flexible integration into both research-grade and OEM laser systems. Acousto-optic mode lockers operate by synchronizing laser cavity modes through RF-driven modulation, enabling stable ultrashort pulse generation for high-precision applications.
FSML-80-20-BR1064: Free-Space AOML for High-Speed Pulse Modulation
The FSML-80-20-BR1064 from Brimrose Corporation is a free-space acousto-optic mode locker designed for operation at 1064 nm, a standard wavelength for solid-state laser systems. It operates at a carrier frequency of 80 MHz and supports modulation rates up to 160 MHz, defining its ability to generate and stabilize high-repetition-rate laser pulses.
As part of a fused silica-based design, the device enables efficient acousto-optic interaction within the laser cavity, allowing controlled modulation of intracavity losses. This facilitates stable mode locking and consistent pulse formation. Its free-space configuration allows flexible optical alignment and integration into a variety of laser architectures, including research and OEM systems requiring precise timing and modulation control.
12080-3-TE AOML: Fused Silica Mode Locker with Stable RF Operation
The 12080-3-TE AOML from G&H is a fused silica acousto-optic mode locker designed for 1064 nm laser systems. It operates at a frequency of 80 MHz and features an active aperture of 3 mm, defining the optical interaction region.
The fused silica construction supports high optical transmission and low insertion loss, ensuring efficient propagation of the laser beam through the device. Its defined operating frequency enables stable mode spacing and repeatable pulse generation, while the controlled acousto-optic interaction ensures consistent modulation performance. The availability of AR-coated or Brewster-angle configurations helps reduce reflective losses, improving intracavity efficiency and overall laser stability.
MLR Series: Acousto-Optic Mode Lockers for Controlled Laser Dynamics
The MLR Series from IntraAction Corp. comprises acousto-optic mode lockers designed to provide stable and controlled RF modulation for laser systems. These devices enable consistent acousto-optic interaction, supporting reliable mode locking and stable pulse generation.
Their design emphasizes efficient diffraction and low optical loss, ensuring minimal impact on beam quality while maintaining strong modulation performance. By supporting controlled laser dynamics through stable RF-driven operation, the MLR series is suitable for advanced photonics applications where precise pulse timing and repeatability are required.
I-ML041-4.5C4R4-3-GH102: Wideband AOML with High Transmission and Fast Repetition Rates
The I-ML041-4.5C4R4-3-GH102 from Sintec Optronics is a fused silica acousto-optic mode locker operating over a wavelength range of 700 nm to 1100 nm, enabling compatibility with a broad range of laser sources. It has an operating frequency of 41 MHz and a large active aperture of 4.5 mm, supporting efficient interaction between optical and acoustic waves.
The device delivers optical transmission greater than 99%, minimizing insertion loss and preserving beam intensity within the laser cavity. It supports repetition rates of up to 200 MHz, enabling high-speed pulse generation for demanding applications. The inclusion of an AR-coated window and optional Brewster-angle window provides flexibility in reducing reflection losses and optimizing polarization-dependent performance. These characteristics make it well suited for scientific research and OEM laser integration requiring high efficiency and stable operation.
FSML-44-20-BR-800: High-Efficiency AOML for Low-Power Laser Systems
The FSML-44-20-BR-800 from Laser 2000 is a fused silica acousto-optic mode locker designed for operation at 800 nm. It features an active aperture of 3 mm x 3 mm and a carrier frequency of 44 MHz, defining its modulation characteristics. The device provides resonant diffraction efficiencies of 60% at 34 MHz, 83% at 44 MHz, and 75% at 54 MHz, indicating strong acousto-optic interaction at resonance. Non-resonant efficiencies of 30% to 40% further define its performance across a broader frequency range. With a wavefront distortion of λ/10, it maintains high beam quality, while a VSWR of 2.1:1 and 50 Ohm impedance ensure stable RF matching.
It supports power dissipation between 5 W and 7 W and is compatible with variable frequency drivers, enabling flexible RF modulation. These characteristics make it suitable for low-power laser systems requiring MHz/GHz modulation rates, analog intensity control, and fast digital switching.
With this portfolio of acousto-optic mode lockers, GoPhotonics emphasizes solutions built on precise RF control, high optical transmission, and stable acousto-optic interaction. By combining fused silica material advantages, defined operating frequencies, and flexible optical configurations, these AOMLs enable reliable ultrafast laser performance across scientific research, industrial processing, and advanced photonics applications.
Click here to learn more about acousto-optic mode lockers.
