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KD*P (Potassium Dideuterium Phosphate) is the most widely used material for electro-optical applications due to its excellent E-O properties.  An electro-optic material such as KD*P can alter the polarization state of light passing through it, when an applied voltage induces birefringence change in the crystal.  When used ...
  • Aperture Diameter: 3-30 mm
  • Peak Optical Power Density: 1000 MW/cm^2
  • Wavelength Range: 400 - 1200 nm
  • Transmission: 98 %
  • Extinction Ratio: >= 1000:1
  • ...
Data Sheet
APE Electro-Optical Modulator 1030nm
A·P·E-Applied Physics & Electronics, Inc.
The A·P·E external Electro-optical Modulator (EOM) is an accessory for laser sources based on A·P·E’s long standing experience in designing optoelectronics. It is a dedicated modulator that was designed to be used in Stimulated Raman Scattering (SRS) and other applications that require an amplitude modulated signal. ...
  • Aperture Diameter: -- mm
  • Peak Optical Power Density: 0.0004 MW/cm^2
  • Wavelength Range: 1030 - 1064 nm
  • Transmission: 85 %
  • Extinction Ratio: Not Specified
Data Sheet
APE Electro-Optical Modulator 900nm
A·P·E-Applied Physics & Electronics, Inc.
The A·P·E external Electro-optical Modulator (EOM) is an accessory for laser sources based on A·P·E’s long standing experience in designing optoelectronics. It is a dedicated modulator that was designed to be used in Stimulated Raman Scattering (SRS) and other applications that require an amplitude modulated signal. ...
  • Aperture Diameter: -- mm
  • Peak Optical Power Density: 0.0004 MW/cm^2
  • Wavelength Range: 900 - 1200 nm
  • Transmission: 85 %
  • Extinction Ratio: Not Specified
Data Sheet
APE Electro-Optical Modulator 690nm
A·P·E-Applied Physics & Electronics, Inc.
The A·P·E external Electro-optical Modulator (EOM) is an accessory for laser sources based on A·P·E’s long standing experience in designing optoelectronics. It is a dedicated modulator that was designed to be used in Stimulated Raman Scattering (SRS) and other applications that require an amplitude modulated signal. ...
  • Aperture Diameter: -- mm
  • Peak Optical Power Density: 0.0002 MW/cm^2
  • Wavelength Range: 690 - 900 nm
  • Transmission: 85 %
  • Extinction Ratio: Not Specified
Data Sheet
APE Electro-Optical Modulator 420nm
A·P·E-Applied Physics & Electronics, Inc.
The A·P·E external Electro-optical Modulator (EOM) is an accessory for laser sources based on A·P·E’s long standing experience in designing optoelectronics. It is a dedicated modulator that was designed to be used in Stimulated Raman Scattering (SRS) and other applications that require an amplitude modulated signal. ...
  • Aperture Diameter: -- mm
  • Peak Optical Power Density: 0.0002 MW/cm^2
  • Wavelength Range: 420 - 600 nm
  • Transmission: 85 %
  • Extinction Ratio: Not Specified
Data Sheet
DKDP Q-Switch Pockels Cells
THATSHIGH Photoelectric Technology Co., Ltd.
Custom Pockels Cells 
  • Aperture Diameter: 19 mm
  • Peak Optical Power Density: 500 MW/cm^2
  • Wavelength Range: 240 - 1400 nm
  • Transmission: >98% %
  • Extinction Ratio: >= 5000:1
  • ...
Data Sheet
Pockels cells are used to change the polarization state of light passing through it when a voltage is applied to the electrodes of electro-optic crystals such as KD*P, BBO, RTP, etc. CASTECH has different types of BBO and DKDP Q switches with high damage threshold and extinction ratio.
  • Aperture Diameter: 1064 mm
  • Peak Optical Power Density: 1000 MW/cm^2
  • Wavelength Range: 1045 - 1080 nm
  • Transmission: 98 %
  • Extinction Ratio: >= 1000:1
  • ...
Data Sheet
Broadband Optical Modulator BOM-200
Boston Micromachines Corporation
The broadband electro-optic modulator design is based on BMC’s MEMS deformable mirror technology that uses hysteresis-free electrostatic actuators to deform a continuous mirror facesheet. The device microfabrication process is well suited for the creation of high-precision optical components and is optimal for high volume ...
  • Aperture Diameter: 8.5 mm
  • Peak Optical Power Density: 0.1 MW/cm^2
  • Wavelength Range: 550 - 20000 nm
  • Transmission: 90 %
  • Extinction Ratio: >= 500:1, >= 100:1
  • ...
Data Sheet
Modulating Retro-Reflector
Boston Micromachines Corporation
The MRR modulating retro-reflector system has been demonstrated to provide continuous asymmetric free-space optical communication at data rates up to 200 kbps. The MRR subcomponent is housed in a compact, easy-to-integrate package geared for laboratory demonstration. This technology can be used out of the box with the MB-200 Series ...
  • Aperture Diameter: 14 mm
  • Peak Optical Power Density: 0.1 MW/cm^2
  • Wavelength Range: 550 - 5000 nm
  • Transmission: 50 %
  • Extinction Ratio: Not Specified
Data Sheet
Broadband Optical Modulator (BOM)
Boston Micromachines Corporation
The Broadband Optical Modulator is a reflective diffraction grating with controllable groove depth for operation over a broad range of wavelengths from the visible to the mid-infrared. It is capable of intensity variation by switching between an unpowered flat mirror-state and a powered diffractive-state. The device design is ...
  • Aperture Diameter: 8 mm
  • Peak Optical Power Density: 0.1 MW/cm^2
  • Wavelength Range: 550 - 20000 nm
  • Transmission: 95 %
  • Extinction Ratio: >= 100:1, >= 500:1
  • ...
Data Sheet
Lasermetrics Q1059P E-O Modulator/Q-switches are electro-optic devices used in many laser systems world-wide. The 1059P Series originated in 1970 and have been continuously upgraded and improved. They will accommodate the most demanding high peak power laser applications. All models within the series utilize an enhanced internal ...
  • Aperture Diameter: 10 &12 mm
  • Peak Optical Power Density: 850 MW/cm^2
  • Wavelength Range: 532 - 1350 nm
  • Transmission: 98 %
  • Extinction Ratio: >= 1000:1
Data Sheet
The Models CF1043-16 & CF1043-20 Pockels cell are larger aperture versions of smaller aperture devices in the Series 1040 Pockels Cell Light Modulators. They are designed for operation with larger diameter, laser beams in high speed shutter and pulse chopper applications external or internal to the laser cavity. They are ...
  • Aperture Diameter: 16 &20 mm
  • Peak Optical Power Density: 850 MW/cm^2
  • Wavelength Range: 532 - 1064 nm
  • Transmission: 97.5 %
  • Extinction Ratio: >= 1000:1
Data Sheet

Did You know?

The electro-optic effect is a result of the change in refractive index of a material when it is placed in DC or low-frequency electric field. Nonlinear optical materials with an incident static or low frequency electromagnetic wave will undergo modulation of refractive index and as such are often used as electro-optic modulators (EOM). In general, the modulation in refractive index in EOM may be induced on the amplitude, phase, frequency or polarization of the input beam. The most common EOM consists of a crystal whose refractive index depends on the strength of applied electric field. This implies if it is exposed to electric field, light will travel slower through it than in air. The phase of the light leaving the crystal can be controlled by changing the incident electric field as the phase delay is directly proportional to the time it takes for light to pass through the crystal.