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Industry Standard AO Q-Switch product image

Industry Standard AO Q-Switch

For use at the wavelength of 1064 nm, with an active aperture up to 8 mm, an operating frequency of 24, 27.12, 40.68, or 68 MHz, and with water-cooling.

Full Product Description
Operating Frequency:
24 MHz, 27.12 MHz, 40.68 MHz, 68 MHz
Active Aperture:
8 mm
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Product description

Designed for use in high power Nd:YAG lasers

Combining optimum grade fused silica, high-quality optical finishing, high-grade anti-reflection coatings, with novel acoustic management and optomechanical design techniques, our q-switches achieve exceptional thermal management while maintaining superior beam quality and high optical throughput.

Key features

  • High Damage Threshold
  • Improved thermal management
  • Superior beam quality
  • Superior corrosion resistance [Water Cooled version]
  • Stainless steel cooling channels [Water Cooled version]


Operating Frequency24 MHz, 27.12 MHz, 40.68 MHz, 68 MHz
Active Aperture8 mm
AR coating reflectivity< 0.2% per surface
Damage threshold> 1GWcm²
Transmission> 99.6% (single pass)
Static insertion loss≤ 6% at 50W laser power
VSWR< 1.2:1 (<1.4:1 at 50W RF power)
RF powerMax: 50W cw for Compressional acoustic mode, Max: 100W cw for Shear acoustic mode
Water flow rate> 190 cc / minute
Water-cooling channel materialAluminium (de-ionised water is strongly recommended)
Recommended water temperature+22° C to +32° C
Thermal switch cut-off+55° C +/- 5° C
Storage temperature0° to +50° C
Interaction materialFused Silica