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- < 200 kHz Spectral Line Width CW Laser Diode for Sensing Applications
- Based on an External Cavity Laser Design with Built-In Bragg Grating
- 1 Meter Single Mode SMF-28 Pigtail with FC/APC connector
- Strained InGaAsP/InP MQW Gain Chip Coupled with Built-In Fiber Bragg Grating
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These cooled narrow line width 1550nm laser diodes are offered in a butterfly package with a single mode fiber pigtail and and FC/APC connector. These devices are based on an ECL design with a built-in fiber Bragg grating. They offer up to 10mW of very stable CW performance and a very narrow spectral line width of < 200 kHz. They are based on an InGaAsP/InP MQW gain chip coupled with built-in fiber Bragg grating design. They are specified with a minimum side mode suppression ratio of 45 dB and are offered with an internal TEC cooler and a 10Kohm thermistor. They are frequently used in chemical sensing applications and emerging LiDAR applications. They are also designed for telecom 155 / 622Mbps operation as well as OTDR instruments. To achieve the narrow line width performance, they should be used with a low noise density control circuit.
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