EOC offers a variety of different types of longitudinal and transverse Pockels cells manufactured by Leysop for modulation, Q-switching, pulse slicing and pulse picking. If you don’t see anything which meets your needs, please contact us. Custom devices are available.
This is Leysop’s conventional range of longitudinal mode KD*P Pockels cells, particularly suited to general laboratory and darkroom environments. Apertures range from 8mm to 20mm and cells can be configured with either 1, 2 or 4 terminals depending on your interconnection requirements. Cells can be supplied fluid filled for low loss or dry for the highest optical power handling.
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This is Leysop’s more compact range of Pockels cells where a smaller size and simpler interconnect make them especially suited to OEM laser equipment manufacture. Both 8mm and 10mm aperture versions are currently available, but any aperture may be accommodated by this general style of packaging.
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Ultra-Compact Integrated Pockels Cells
For systems where a large aperture is required but the smallest Pockels cell must be used, the convenience of Leysop’s new EM508UC is unbeatable. It combines a pre-aligned quarter wave retardation plate and a thin film Brewster plate polarizer for simple operation.
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This is Leysop’s next smallest longitudinal mode KD*P Pockels cell, particularly suited to OEM laser manufacture. Aperture is presently limited to 8 or 10mm. Cells are supplied dry with AR coating for maximum optical power handling and are offered for the wavelength range 1047-1064nm. Stud or pin connections are available.
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Capable of operating at average powers of even hundreds of watts, for applications at the highest average powers there is no better choice than a BBO Pockels cell. The low piezo-electric coefficient also makes it suitable for high repetition rate applications.
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RTP Pockels Cells for High Repetition Rate Applications
This is Leysop’s Pockels cell designed specifically for high repetition rate Q-switching and pulse-picking (even to MHz rates) using RTP, selected for its complete absence of measurable piezo-electric resonances. Supplied as an OEM format cell in an industry standard package, a 100kHz driver is also available.
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This is Leysop’s special range of ultra fast response KD*P Pockels cells, designed to give the fastest possible rise-times and cleanest responses for the most demanding pulse slicing and pulse picking applications. The aperture is a very useful 6mm diameter, large enough to accommodate most beams while being small enough to retain a 150ps time response.
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Double Pockels cells provide an excellent way of halving the drive voltage required by using two crystals to share the work. Double Pockels cells are available in conventional Pockels cell packaging as well as compact style devices and ultra-fast versions.
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For some special applications such as pulse picking and pulse slicing, there are advantages to using Pockels cell cells with three electrodes. These are effectively back-to-back Pockels cells which can then be driven independently to turn on and off the transmission of the optical beam with great precision and flexibility.
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Transverse Field Pockels Cells
With the exception of the RTP and BBO cells, all of the above Pockels cells use KD*P crystals in longitudinal field mode. While extremely effective devices, there are some applications where transverse field devices are superior choices, particularly where wavelengths are longer than 1100nm, and where small size or low voltage operation is required. Most transverse Pockels cells are made using either lithium niobate or lithium tantalate, both materials of excellent optical quality. The optimum choice will depend on your application, so give us a call to discuss your needs. Custom requirements are easily accommodated.
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Pockels Cells with Integrated Wave-Plate and Brewster Polarizer
High quality low insertion loss wave-plates and Brewster polarizers ensure that your system operates at its optimum and the Brewster polarizer mounting acts as an effective beam dump for the rejected light, thus simplifying the handling of stray light.
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Application Notes for Pockels Cells:
The Linear Electro-Optic Effect
Selecting the Right Pockels Cell
Setting Up the Q-Switch
Pulse Slicing with Pockels Cells
Pulse Picking with 4 Terminal Pockels Cells
