Category : Laser components, systems, equipment and applications > Diode lasers

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Description:
The TEC 500 / TEC-520 External Cavity Diode Laser in Littman configuration is designed for moderate output power up to 100mW, narrow linewidth in the order of 500kHz and a large mode-hop free tuning range of up to 100GHz. A new high power version with more than 100mW at 780nm and 850nm is available. Please check our downloadable data sheets

Layout:
We have designed our TEC 520 Littman Laser according to our patented design, US-Patent no. 5,867,512, further patents pending. The laser system consists of a diode laser, collimating optics, a diffraction grating and a tuning prism. The laser light is collimated and coupled to the diffraction grating. The first order diffraction beam is coupled to a reflection prism which makes our cavity design self-aligning. The reflecting prism feeds the laser beam back to the diffraction grating where it is finally directed back into the laser chip. The rear facet bem of the laser chip is coupled out of the laser system. The major advantages of this laser design are the large mode-hop free tuning range due to the double passing of the diffraction grating and the absolute beam direction stability.

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List of all articles in this sub-category Diode lasers

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