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KD*P Pockels Cells

KD*P Pockels Cells Features:
  • Economically priced
  • Low absorption
  • Transmission from 400 nm to 1100 nm
  • Compact size
 
Applications:
  • Q-switching of the laser cavity
  • Cavity Dumping
 
Pockels cells are used to change the polarization state of light passing through it when an voltage is applied to the electrodes of an electro-optic crystals such as KD*P. When used in conjunction with polarizer, Pockels cells can be used as fast optical switches.

Typical applications include Q-switching of the laser cavity, laser cavity dumping and coupling light into and from regenerative amplifiers. KD*P based Pockels cells are routinely used for Q-switching applications from the 400 nm to about 1.1 μm. Most of commercial flashlamp pumped Nd:YAG lasers and low repetition rate DPSS Nd:YAG lasers are equipped with KD*P based Pockels cell for laser cavity Q-switching.

Electro-optical KD*P crystals have high laser power resistant dielectric AR coatings. Additionally PC12SR and D-compact series Pockels cells have AR coated windows for improved lifetime and protection in less user friendly environment.

Model PC5S PC5D PC10S PC12SR D-compact/9NEW
D-compact/12NEW
Clear aperture, mm
4.5x4.5 4.5x4.5 9.5x9.5 Ø11 Ø8
Ø11
Crystal size, (WxHxL)mm 5x5x16 5x5x16 10x10x25 Ø12x24  Ø9x20 Ø12x24
Quantity of crystals 1 2 1 1  1 1
λ/2 voltage 1064nm, kV DC <6.5 <3.4 <6.8 <6.8  <6.8 <6.8
Capacitance, pF 1.5 3 4 6  6 6
Contrast ratio1) > 1:2000 >1:1000 >1:2000 >1:2000  >1:2000 >1:2000
Cell size, mm 20x16x28.5 23x16x52 22x18x33 Ø35x41.6  Ø25.4x35 Ø25.4x39

1) Measured by crossed polarizers method

All crystals are coated AR/AR@1064 nm. Other antireflection coatings are available under request. Damage threshold >5 J/cm2 for 10 ns pulses at 1064 nm.

Specifications are subject to change without advance notice.

Code Description Item price, USD In stock Add to cart
D-compact/9New C.A. ø 8 mm, Cell size - ø 25.4x35 mm Request Request Add to cart
D-compact/12New C.A. ø 11 mm, Cell size - ø 25.4x39 mm Request Request Add to cart
PC5S C. A. 4.5x4.5 mm, Cell size - 20x16x28.5 mm Request Request Add to cart
PC5D C. A. 4.5x4.5 mm, Cell size - 23x16x52 mm Request Request Add to cart
PC10S C. A. 9.5x9.5 mm, Cell size - 22x18x33 mm Request Request Add to cart
PC12SR C.A. ø 11 mm, Cell size - ø 35x41.6 mm Request Request Add to cart
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