PSW-002 Polarization Switch

3 Stage Scramblers or 4 Stage Controllers Available; 1250 to 1650 nm (Others on Request); Insertion Loss <0.4 dB; Polarization Dependent Loss <0.06 dB; Fiber Type SM OZ Optics' EPC series of electrically driven polarization controllers provides a simple, efficient means to manipulate the state of polarization within a single mode (SM) fiber. Employing a novel mechanical fiber squeezing technique, the device is controlled by either three or four (depending on the model) input voltages that the user can vary over a ±5 V range to provide endless polarization control in a robust, easy to operate package. The EPC controllers’ rapid response speed easily handles changes in polarization caused by the external environment and is highly suitable for polarization scrambling for either averaging PDL effects or for making PMD or PDL measurements. Because the fiber within the device is continuous, all insertion losses, return losses, and PDL effects are limited only by the fiber itself. This makes it ideal for precise test and measurement applications. EPC polarization controllers are available in either a three or four channel configuration. The EPC-300 three-channel system is ideal for polarization scrambling applications such as for polarization averaging or PDL measurements. The added redundancy of the EPC-400 four-channel version opens the way to continuous polarization control, without having to occasionally reset the device when a controller reaches its limit. The unique design of the OZ Optics EPC series of polarization controllers means that they do not require any dedicated driver circuitry. There are no internal voltage multipliers or high voltage signals to worry about. Thus operation is safe and simple. Key Features: Negligible Insertion Losses Negligible Return Losses Negligible Polarization Dependent Losses (PDL) >100 Hz Response Speed Continuous Polarization Control Capability Low Voltage Applications: Polarization Scrambling; Polarization Stabilization; Polarization Mode Dispersion (PMD) Mitigation; Polarization Dependent Loss (PDL) Mitigation; PDL and PMD Measurement Systems; Interferometers and Sensors; OCT Systems

Sercalo Microtechnology's VXA series of miniature MEMS variable optical attenuators (VOAs) has been discuntinued by the supplier. For replacement and new projects, please refer to the mVOA series of ultra-small or VXP1 series of miniature MEMS variable optical attenuators (VOAs). MEMS-based, Pigtail Style, Transmission Mode; Single/Dual Types; Fiber Type SMF28; 1240 to 1640 nm; Attenuation up to 30 dB Sercalo Microtechnology's VXA series of miniature MEMS variable optical attenuators (VOAs) is ideal for fiber optic communication systems and submodules. The non-latching attenuators work in transmission mode and allow for the continuous adjustment of the attenuation with a 0 to 5 V control voltage. The highly reliable attenuation mechanism is based on a micromechanical shutter – a silicon MEMS chip, on which a mirror can be moved in and out of the optical path by electrostatic actuation – and features below 2 ms response time and below 1 dB insertion loss. The VXA variable optical attenuators are composed of an optical subsystem and an electrical driver interface. VXA series is available in single (VXA1) and dual (VXA2) variants and normally open or normally closed designs. The plastic package is one of the smallest in the industry and optimized for low cost production while maintaining high reliability comparable to a solid-state device. The component is designed to meet Telcordia 1221 quality standards. The standard VXA attenuator achieves minimum insertion loss at 0 V input voltage. The VXAxOF variant is normally closed, i.e. at 0 V the attenuation is maximum and is reduced with increasing input voltage. Key Features: Small Size (23 x 10 x 6 mm) Low PDL Very Fast 0 to 5 V Control Single or Dual Channel Applications: Power Management in DWDM Transceivers; Amplifier Gain Control; Optical Subsystems; Array Integration