Free-space AO Modulator (Acousto-Optic Modulator)

M111-10UV-OR1

• 351, 355 & 364nm

• High damage threshold

• 111MHz drive frequency

Description

An acousto-optic modulator ideal for use with 355nm frequency tripled Nd:YAG and Nd:YVO4 or 351nm / 364nm Argon lasers.

Manufactured in Crystal Quartz for improved thermal management & efficiency. This modulator combines high quality optical finishing with in house anti-reflection coatings to provide high extinction ratio and optimised throughput.

Alternative wavelengths, apertures or package designs are available. Please don’t hesitate to contact us with your specific requirements.

Specification

Interaction Material: Crystal Quartz

Wavelength: 351 to 364nm

Anti-Reflection Coating: < 0.3% per surface at 355nm

< 0.5% per surface at 351 to 364nm

Transmission: > 99% at 355nm

> 98.6% at 351 to 364nm

Polarisation: Linear, vertical to base

Extinction Ratio (1st order on / off) > 55dB

Damage Threshold: > 50KW/cm2 (Average)

> 500MW/cm2 (Peak)

Frequency: 111MHz

VSWR: < 1.2:1 (50Ω input impedance)

Active Aperture: 3.0mm

Diffraction Efficiency: > 85%

Rise-Time / Fall-Time: 110ns / mm

Separation Angle: 6.5mrad at 355nm

RF Power: < 3.0W

Driver Selection

RF Driver Model No.: A344