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  • Single-Mode Laser Diode
Feb 2013
Frankfurt Laser CompanyRequest Info
A 1550-nm fiber-coupled laser diode with a 50-kHz linewidth and output power of 100 mW with fiber Bragg grating stabilization has been unveiled by Frankfurt Laser Co.

It is supplied in a hermetically sealed butterfly housing that incorporates thermoelectric cooling, a thermistor and a monitor photodiode. Single-mode and polarization-maintaining fiber output are available.

The fiber is terminated with an FC/APC connector. The laser operates from −40 to 70 °C and is suitable for use in harsh environments.

Applications include direct-diode frequency doubling, gas sensing, interferometry, laser seeding, low-noise pumping, metrology, Raman spectroscopy and remote sensing.


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The study and utilization of interference phenomena, based on the wave properties of light.
The science of measurement, particularly of lengths and angles.
Raman spectroscopy
That branch of spectroscopy concerned with Raman spectra and used to provide a means of studying pure rotational, pure vibrational and rotation-vibration energy changes in the ground level of molecules. Raman spectroscopy is dependent on the collision of incident light quanta with the molecule, inducing the molecule to undergo the change.  
remote sensing
Technique that utilizes electromagnetic energy to detect and quantify information about an object that is not in contact with the sensing apparatus.
A solid-state semiconducting structure (basically one of the bolometers) that changes electrical resistance with temperature. Materially, some kind of ceramic composition is used. A thermistor has much higher electrical resistance than metallic bolometers and hence requires much higher voltages to become useful.
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