Press release
System composition of acousto-optical modulator
System composition,The complete acousto-optic modulation [https://www.bjrofoc.com/rof-electro-optic-aom-modulator-fiber-coupled-acousto-optic-modulator-product/] system consists of five main units: acousto-optic crystal, piezoelectric transducer, RF drive source, heat dissipation base, and optical coupling base. Each module works together to ensure modulation stability.
1. Acousto optic crystal: The core carrier of acousto-optic interaction, which is the key raw material that determines the modulation frequency band, transmission frequency band, and damage threshold. Commonly used crystals are divided into three categories: fused quartz suitable for 1064nm/CO laser, suitable for high-power industrial scenarios; TeO has good high-frequency characteristics and is a standard configuration for small and medium power marking machines; Gallium phosphide is compatible with 355nm ultraviolet laser for precision machining.
2. Piezoelectric transducer: pasted on the crystal end face to achieve electroacoustic conversion, high-end products adopt vacuum low-temperature welding process to improve reliability.
3. RF driver source: electronic control core, divided into two categories: TTL digital driver relies on high and low levels to turn on and off RF, which is the mainstream solution for industrial marking; Simulated driving achieves continuous tuning of light intensity by adjusting RF power, which is commonly used in scientific research scenarios. The conventional driving frequency range is 20MHz~400MHz.
4. Heat dissipation base: high-power AOM Modulator [https://www.bjrofoc.com/rof-electro-optic-aom-modulator-fiber-coupled-acousto-optic-modulator-product/] with water cooling, aluminum alloy air cooling for small and medium power to avoid high temperature deterioration of diffraction efficiency.
5. Optical Base: Precision fixture that can fine tune the incident angle to ensure that the laser is incident at the Bragg angle.
Image: https://www.abnewswire.com/upload/2026/07/108bb28199207e5c687f25c5eee725e9.jpg
Media Contact
Company Name: Beijing Rofea Optoelectronics Co., Ltd.
Email:Send Email [https://www.abnewswire.com/email_contact_us.php?pr=system-composition-of-acoustooptical-modulator]
Country: China
Website: https://www.bjrofoc.com/
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