Repetition rate scaling up to 100 kHz of a small-scale (50 W) kinetically enhanced copper vapor laser

Graham D. Marshall; David W. Coutts

doi:10.1109/2944.883376

Repetition rate scaling up to 100 kHz of a small-scale (50 W) kinetically enhanced copper vapor laser

Graham D. Marshall, David W. Coutts

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

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Abstract

We report on the pulse repetition frequency (PRF) scaling of a small-scale (25 mm bore and 0.61 m long) copper vapor laser (CVL). When operated as an elemental CVL, the laser had a stable output power of 15 W at 15 kHz PRF (0.6% efficiency). After the addition of small quantities of hydrogen and hydrogen chloride to the neon buffer gas, the maximum recorded stable output power increased to 41 W at 25 kHz PRF (1.4% efficiency). This represents a record stable specific output power of 0.14 Wcm^-3. Pulse repetition frequency scaling of the laser was demonstrated up to 100 kHz where the output power was 9.0 W. By operating the laser at elevated input powers, transient output powers of over 50 W were achieved between PRFs of 25-40 kHz. These results are the highest recorded specific output powers (0.17 Wcm^-3) for a CVL with this tube diameter.

Original language	English
Pages (from-to)	623-628
Number of pages	6
Journal	IEEE Journal on Selected Topics in Quantum Electronics
Volume	6
Issue number	4
DOIs	https://doi.org/10.1109/2944.883376
Publication status	Published - Jul 2000
Externally published	Yes

Bibliographical note

Copyright 2000 IEEE. Reprinted from IEEE journal of selected topics in quantum electronics. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Macquarie Universityâ€™s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to [email protected]. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

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title = "Repetition rate scaling up to 100 kHz of a small-scale (50 W) kinetically enhanced copper vapor laser",

abstract = "We report on the pulse repetition frequency (PRF) scaling of a small-scale (25 mm bore and 0.61 m long) copper vapor laser (CVL). When operated as an elemental CVL, the laser had a stable output power of 15 W at 15 kHz PRF (0.6% efficiency). After the addition of small quantities of hydrogen and hydrogen chloride to the neon buffer gas, the maximum recorded stable output power increased to 41 W at 25 kHz PRF (1.4% efficiency). This represents a record stable specific output power of 0.14 Wcm-3. Pulse repetition frequency scaling of the laser was demonstrated up to 100 kHz where the output power was 9.0 W. By operating the laser at elevated input powers, transient output powers of over 50 W were achieved between PRFs of 25-40 kHz. These results are the highest recorded specific output powers (0.17 Wcm-3) for a CVL with this tube diameter.",

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AU - Coutts, David W.

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N2 - We report on the pulse repetition frequency (PRF) scaling of a small-scale (25 mm bore and 0.61 m long) copper vapor laser (CVL). When operated as an elemental CVL, the laser had a stable output power of 15 W at 15 kHz PRF (0.6% efficiency). After the addition of small quantities of hydrogen and hydrogen chloride to the neon buffer gas, the maximum recorded stable output power increased to 41 W at 25 kHz PRF (1.4% efficiency). This represents a record stable specific output power of 0.14 Wcm-3. Pulse repetition frequency scaling of the laser was demonstrated up to 100 kHz where the output power was 9.0 W. By operating the laser at elevated input powers, transient output powers of over 50 W were achieved between PRFs of 25-40 kHz. These results are the highest recorded specific output powers (0.17 Wcm-3) for a CVL with this tube diameter.

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Repetition rate scaling up to 100 kHz of a small-scale (50 W) kinetically enhanced copper vapor laser

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