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GoPhotonics is featuring a range of advanced Pockels Cells engineered for high-speed laser modulation, Q-switching, pulse picking, and optical isolation across industrial, medical, scientific, and high-power laser environments. Utilizing materials such as Rubidium Titanyle Phosphate (RTP), Beta Barium Borate (BBO), Potassium Dihydrogen Phosphate (KDP), and Deuterated KDP, these Pockels cells support demanding laser applications with high damage thresholds, fast switching speeds, and high optical transmission.

RTPM072A RTP Pockels Cell for Fast Laser Modulation

The RTPM072A from AGILTRON is a Rubidium Titanyle Phosphate (RTP) Pockels Cell designed for operation across a transmission range of 600 nm to 900 nm. Featuring a clear aperture of 2 mm to 8 mm and a half-wave voltage of 1120 V, the device is suitable for Q-switching, phase/power modulation, and pulse picker applications.

The Pockels cell offers a rise/fall time of 0.5 ns to 1.1 ns, along with an extinction ratio of 20 dB to 35 dB and a capacitance of 14 pF. It supports high optical durability with a damage threshold of 1 MW/cm² at 532 nm and 600 MW/cm² at 1064 nm, while maintaining minimum parallelism of 5 arcseconds and angle tolerance of ±0.15 degrees. The RTPM072A includes polarization cubes that can be aligned at both input and output ports to form an intensity modulator. With no piezoelectric ringing and a non-hygroscopic design, the Pockels cell is housed in a tube package measuring 39 mm x 25.4 mm x 10 mm.

PCB4S-C-1064 BBO Pockels Cell for High-Repetition-Rate Switching

The PCB4S-C-1064 from EKSMA Optics is a Beta Barium Borate (BBO) Pockels Cell optimized for operation at 1064 nm. The device provides optical transmission above 98%, a 3.5 mm clear aperture diameter, and a quarter-wave voltage below 4.6 kV.

Designed in a double-crystal configuration, the Pockels cell delivers a contrast ratio greater than 1:1000 with a capacitance of 3 pF and low piezo-electric ringing. It features a dielectric anti-reflective coating and a damage threshold exceeding 0.5 GW/cm² at 1064 nm (10 Hz, 10 ns). Packaged in a form factor measuring Ø25.4 mm x 37.2 mm, the PCB4S-C-1064 is ideal for high repetition rate Q-switching, pulse picking up to 3 MHz, laser cavity dumping, and pulse coupling into and from regenerative amplifiers.

TX 3460 KD*P Pockels Cell for High-Power Laser Isolation

The TX 3460 from Gooch & Housego is a Deuterated Potassium Dihydrogen Phosphate (KD*P) Pockels Cell developed for high-power visible to near-infrared laser systems. Operating over a broad wavelength range of 300 nm to 1300 nm, the device supports a repetition rate of up to 1 kHz and features a 33.5 mm active aperture diameter.

The Pockels cell provides a quarter-wave DC voltage of 3.4 kV at 1064 nm, rise time of 2 ns, and capacitance of 32 pF. It achieves an intrinsic contrast ratio (ICR) of 8000:1 and a voltage contrast ratio (VCR) of 1500:1, while maintaining a laser-induced damage threshold above 10 J/cm². Additional features include axially adjustable windows for sub-millimeter control of crystal spacing and 224 TPI differential screws for arc-second parallelism adjustment. Available in a package measuring 97 mm x 92 mm x 87 mm, the TX 3460 is designed for Q-switching and optical isolation in petawatt/terawatt lasers, as well as low-frequency modulation of high-power visible to NIR laser beams.

BPA-alq-b-w BBO Pockels Cells for Regenerative Amplifiers

The BPA-alq-b-w from Castech comprises Beta Barium Borate (BBO) Pockels Cells designed for operation at 1030 nm and 1064 nm. These square Pockels cells feature aperture sizes ranging from 7 mm to 12 mm, extinction ratios above 1200:1, and optical transmission greater than 98.5%.

The devices support rise/fall times below 20 ns, quarter-wave voltage up to 5.8 kV, and a damage threshold of 10 J/cm², with cavity lengths extending up to 25 mm. They are suitable for Q-switching, regenerative amplifiers, pulse pickers, and cavity dumping applications.

QD15H KD*P Pockels Cell for Scientific and Medical Systems

The QD15H from CRYSTECH is a Potassium Dihydrogen Phosphate (KD*P) Pockels Cell operating at 1064 nm. It features a 15 mm clear aperture, quarter-wave voltage of 3.4 kV, and insertion loss below 2%.

The device delivers a static extinction ratio above 5000:1 and dynamic extinction ratio above 1500:1, while offering a damage threshold of 10 J/cm² and capacitance of 9 pF. It also maintains wavefront distortion below one-sixth wavelength at 633 nm, supporting precision optical performance. Available in a compact package measuring 15 mm x 30 mm x 44 mm, the QD15H is ideal for medical systems, beauty industry equipment, industrial environments, and scientific research applications.

From ultrafast switching and pulse picking to optical isolation in high-power laser systems, these Pockels cells highlight the expanding role of electro-optic modulation technologies in enabling precision laser control across scientific, industrial, and medical applications.

Click here to learn more about pockels cells.