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QX Series Pockels Cells product image

QX Series Pockels Cells

Operating in the 300–1100 nm wavelength range with active apertures from 9.5–19.5 mm, at a repetition rate up to 3 kHz.

Full Product Description
Hard aperture diameter:
9.25 mm - 19.5 mm (see table)
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Product description

These Pockels cells offer a voltage contrast ratio that is greater than 2000:1 at 1064 nm. QX series Pockels cells have a compact design with robust ceramic apertures and premium UV-grade fused silica windows for high transmission and contrast ratio.

The QX series employs broadband, high damage threshold solgel AR coating for improved durability and performance. All units are tested for optic and electric function and are supplied with a QA inspection report and suggested alignment procedures.

Key features

  • Solid-state – solgel coated crystal
  • Highest available (>98% in the crystal) deuteration levels
  • G&H grown KD*P crystal
  • Adhesive/epoxy-free assembly
  • Premium UV-grade fused silica windows
  • Apertures from 9.25-19.5 mm diameter
  • Lowest absorption in the industry
  • Economical upgrade/rebuild program
  • Highest optical damage resistance
  • Test documentation with each device
  • Operation to 3 kHz (10 kHz attenuated model)
  • One-year limited warranty


Hard aperture diameter9.25 mm - 19.5 mm (see table)
Intrinsic contrast ratio (ICR)5000:1 @ 1064 nm
DC quarter wave voltage3.5 kV @ 1064 nm

Typical SpecificationsQX1020QX1320 QX1630QX2035
Hard aperture diameter9.25 mm12.3 mm15.1 mm19.5 mm
Single pass insertion loss @ 1064 nm <1.4%<1.4%<1.8%<2.0%
Voltage contrast ratio (VCR) @ 1064 nm (parallel polarizers)2500:11500:1 1800:11000:1
Single pass distortion @ 633 nm <λ/8<λ/8<λ/8<λ/6
Capacitance (DC)5 pF7 pF9 pF13 pF
10-90% rise time (theoretical) into 50 Ω line0.8 ns1.1 ns1.1 ns1.5 ns

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