Abstract
External cavity diode laser with broad-area laser diode is operated up to the output power of 160 mW at the injection current of 850 mA and the bandwidth of 80 pm at a wavelength of 648 nm in external cavity. High slope efficiency of output power and narrow bandwidth using broad-area laser (BAL) diode, the width of active layer in the slow axis is too broad to select a specific wavelength. In this paper, more efficient wavelength selection method is investigated by confirming the tendency of grating grooves and designing to set up the wavelength dispersion direction along the fast axis of a solitary laser diode (LD) geometrically. Thus, the tunable external cavity diode laser module by using BAL diode is designed with an overall size of 49 mm x 52 mm x 48.5 mm. From injection current in the range of 650-900 mA, ECDL showed excellent wavelength locking behavior without a non-shift of the peak wavelength. Here, the tuning range is 4 nm with maintaining the narrow bandwidth of 80 pm and up to the output power of 100 mW. A side-modesuppression of 36.5dB is also achieved at the output power of 160 mW and the injection current of 850 mA.
Original language | English |
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Title of host publication | Laser Resonators, Microresonators, and Beam Control XVII |
Editors | Alan H. Paxton, Vladimir S. Ilchenko, Kunihiko Washio, Alexis V. Kudryashov, Lutz Aschke |
Publisher | SPIE |
ISBN (Electronic) | 9781628414332 |
DOIs | |
Publication status | Published - 2015 |
Event | Laser Resonators, Microresonators, and Beam Control XVII - San Francisco, United States Duration: 2015 Feb 9 → 2015 Feb 12 |
Publication series
Name | Proceedings of SPIE - The International Society for Optical Engineering |
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Volume | 9343 |
ISSN (Print) | 0277-786X |
ISSN (Electronic) | 1996-756X |
Other
Other | Laser Resonators, Microresonators, and Beam Control XVII |
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Country/Territory | United States |
City | San Francisco |
Period | 15/2/9 → 15/2/12 |
Bibliographical note
Publisher Copyright:© 2015 SPIE CCC.
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering