| EPSRC Reference: |
GR/M88631/01 |
| Title: |
NOVEL HIGH-POWER DIODE LASERS INCORPORATING CURVED- GRATINGS |
| Principal Investigator: |
Sibbett, Professor W |
| Other Investigators: |
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| Researcher Co-Investigators: |
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| Project Partners: |
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| Department: |
Physics and Astronomy |
| Organisation: |
University of St Andrews |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 June 2000 |
Ends: |
30 September 2002 |
Value (£): |
186,350
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| EPSRC Research Topic Classifications: |
| Optoelect. Devices & Circuits |
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| EPSRC Industrial Sector Classifications: |
| Communications |
No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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Within this project we plan to carry out theoretical and experimental studies of novel types of high-power diode lasers that incorporate curved grating structures that are designed to provide enhanced spatial and spectral control. Specifically, we propose to design, fabricate and assess the performance so-called c-DFB and c-DBR lasers that operate in the ~1W power regime. In addition to fully characterising and optimising the lasers in the 670, 850 980nm spectral regions (i.e. AlGaInp, AlGaAs, InGaAs material systems) we intend to evaluate the applicability of these novel laser systems in the optical pumping of laser gain media and in frequency-up/down conversion in quasi- phaseamtched nonlinear optical crystals such as periodically-poled of aperiodically-poled lithium niobate. To achieve the necessary peak intensities for efficient nonlinear frequency conversion, dual-section c-DFB (c-DBR) lasers will be designed for picosecond pulse generation by the Q-switching technique. With the a-PPLN crystals it may be feasible to demonstrate significant temporal compression during frequency doubling, e.g., such that ultrashort blue/UV pulses could be produced.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.st-and.ac.uk |