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QX Series Pockels Cells product image

QX Pockels Cells

Clamped rugged housing that minimizes piezo-optical ringing is the star feature of the QX Pockels Cell series. This Pockels Cell series is designed to operate at repetition rate up to 3 kHz, higher than that of the Impact Pockels Cell line. The QX series include an in-house grown KD*P crystal with transmission above 98% from long wave UV to near IR.

Full Product Description
Optical material:
KD*P
Material purity:
99%
Wavelength:
300–1100 nm
Contrast Ratio:
>5000:1
Active Aperture:
9.25–19.5 mm
Repetition Rate:
3 kHz
Single Pass Distortion:
<λ/10 @ 1064 nm
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Product description

The inspiration for the development of the QX Pockels cells is the customer’s need to operate at higher repetition rates compared to the Impact Pockels cell line. With repetition rates up to 3 kHz, the QX series of Pockels cells offer a voltage contrast ratio greater than 2000:1 at 1064 nm. In addition, the QX Pockels cells are equipped with ceramic apertures for robustness 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 functionality and are supplied with a QA inspection report and suggested alignment procedures.

Options

  • Attenuated version to allow for 10 kHz modulation frequency
  • Window and sol gel coatings with choice of operational wavelengths
  • KD*P crystals other than 99% deuteration available at a reduced price

Applications

  • Q-switching
  • Pulse-picking
  • Power control

Key features

  • Ruggedized replacement for the Impact series Pockels cells with operations up to 3 kHz
  • Intrinsic contrast ratio >5000:1
  • Voltage contrast ratio >2500:1
  • LIDT >10 J/cm² (1064 nm, 10 ns pulse length, 10 Hz repetition rate)
  • Nitrogen backfilled ensuring a long lifetime

Specifications

NameValue
Optical materialKD*P
Material purity99%
Wavelength300–1100 nm
Contrast Ratio>5000:1
Active Aperture9.25–19.5 mm
Repetition Rate3 kHz
Single Pass Distortion<λ/10 @ 1064 nm
Single pass insertion loss<1%@1064 nm
Voltage contrast ratio (VCR)>2500:1 @ 1064 nm (parallel polarizers)
Capacitance (DC)6 – 13 pF
DC quarter-wave voltage3.5 kV @ 1064 nm
LIDT> 10 J/cm² (1064 nm, 10 ns pulse, 10 Hz, 1 mm diameter)
Operating temperature15°–45° C
Storage temperature-55°–85° C
HumidityNon-condensing environment
Duty cycle<5%

Typical SpecificationsQX 1020QX 1320 QX 1630QX 2035
PHYSICAL
Hard aperture diameter9.25 mm12.3 mm15.1 mm19.5 mm
ELECTRICAL
10-90% rise time (theoretical) into 50 Ω line0.8 ns1.1 ns1.1 ns1.5 ns