Details
| Original language | English |
|---|---|
| Title of host publication | Fiber Lasers XVI |
| Subtitle of host publication | Technology and Systems |
| Editors | Adrian L. Carter, Liang Dong |
| Publisher | SPIE |
| Number of pages | 7 |
| ISBN (electronic) | 9781510624368 |
| Publication status | Published - 7 Mar 2019 |
| Event | Fiber Lasers XVI: Technology and Systems 2019 - San Francisco, United States Duration: 4 Feb 2019 → 7 Feb 2019 |
Publication series
| Name | Proceedings of SPIE - The International Society for Optical Engineering |
|---|---|
| Volume | 10897 |
| ISSN (Print) | 0277-786X |
| ISSN (electronic) | 1996-756X |
Abstract
Single-frequency Yb3+ fiber amplifiers operating at 1064 nm are promising candidates to fulfill the challenging requirements for laser sources of the next generation of interferometric gravitational wave detectors. We present the current development progress of a fiber amplifier engineering prototype and compare the optical and thermal performance to the solid-state-laser source of advanced LIGO. The fiber amplifier system consists of two monolithic fiber amplifier stages which currently deliver more than 110 W (functional prototype demonstrated 215 W [9,11]) of output power. The fiber amplifier output beam has one to two orders of magnitude lower relative beam pointing and relative power noise in the lower frequency range of 1 Hz to 100 Hz compared to the solid-state-laser system. It also has a polarization extinction ratio above 21 dB and a TEM00-mode content of more than 97.8 % ±0.6 % at 110 W output power. Besides the optical properties, repair and maintenance procedures are improved by a modular design of the system. Each of the modules can separately be maintained and repaired or easily be replaced by a preassembled module; it therefore minimizes laser downtimes. Another advantage is the lower heat load of approximately 500 W compared to the SSL, which produces more than 4500 W of heat, both at an optical output power of 200 W. The lower heat load simplifies cooling and reduces the complexity of the modules.
Keywords
- Gravitational wave detection, Monolithic fiber amplifier, Single-frequency
ASJC Scopus subject areas
- Materials Science(all)
- Electronic, Optical and Magnetic Materials
- Physics and Astronomy(all)
- Condensed Matter Physics
- Computer Science(all)
- Computer Science Applications
- Mathematics(all)
- Applied Mathematics
- Engineering(all)
- Electrical and Electronic Engineering
Cite this
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- Harvard
- Apa
- Vancouver
- BibTeX
- RIS
Fiber Lasers XVI: Technology and Systems. ed. / Adrian L. Carter; Liang Dong. SPIE, 2019. 1089722 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10897).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Characterization of the monolithic fiber amplifier engineering prototype for the next generation of gravitational wave detectors
AU - Wellmann, Felix
AU - Steinke, Michael
AU - Thies, Fabian
AU - Bode, Nina
AU - Oppermann, Patrick
AU - Willke, Benno
AU - Overmeyer, Ludger
AU - Neumann, Jörg
AU - Kracht, Dietmar
N1 - Funding information: The authors would like to thank Prof. Willke of the Albert-Einstein-Institut Hannover for the successful and on-going cooperation in the field of single-frequency laser systems for GWDs. Funding was provided by the Max Plank Institute for Gravitational Physics
PY - 2019/3/7
Y1 - 2019/3/7
N2 - Single-frequency Yb3+ fiber amplifiers operating at 1064 nm are promising candidates to fulfill the challenging requirements for laser sources of the next generation of interferometric gravitational wave detectors. We present the current development progress of a fiber amplifier engineering prototype and compare the optical and thermal performance to the solid-state-laser source of advanced LIGO. The fiber amplifier system consists of two monolithic fiber amplifier stages which currently deliver more than 110 W (functional prototype demonstrated 215 W [9,11]) of output power. The fiber amplifier output beam has one to two orders of magnitude lower relative beam pointing and relative power noise in the lower frequency range of 1 Hz to 100 Hz compared to the solid-state-laser system. It also has a polarization extinction ratio above 21 dB and a TEM00-mode content of more than 97.8 % ±0.6 % at 110 W output power. Besides the optical properties, repair and maintenance procedures are improved by a modular design of the system. Each of the modules can separately be maintained and repaired or easily be replaced by a preassembled module; it therefore minimizes laser downtimes. Another advantage is the lower heat load of approximately 500 W compared to the SSL, which produces more than 4500 W of heat, both at an optical output power of 200 W. The lower heat load simplifies cooling and reduces the complexity of the modules.
AB - Single-frequency Yb3+ fiber amplifiers operating at 1064 nm are promising candidates to fulfill the challenging requirements for laser sources of the next generation of interferometric gravitational wave detectors. We present the current development progress of a fiber amplifier engineering prototype and compare the optical and thermal performance to the solid-state-laser source of advanced LIGO. The fiber amplifier system consists of two monolithic fiber amplifier stages which currently deliver more than 110 W (functional prototype demonstrated 215 W [9,11]) of output power. The fiber amplifier output beam has one to two orders of magnitude lower relative beam pointing and relative power noise in the lower frequency range of 1 Hz to 100 Hz compared to the solid-state-laser system. It also has a polarization extinction ratio above 21 dB and a TEM00-mode content of more than 97.8 % ±0.6 % at 110 W output power. Besides the optical properties, repair and maintenance procedures are improved by a modular design of the system. Each of the modules can separately be maintained and repaired or easily be replaced by a preassembled module; it therefore minimizes laser downtimes. Another advantage is the lower heat load of approximately 500 W compared to the SSL, which produces more than 4500 W of heat, both at an optical output power of 200 W. The lower heat load simplifies cooling and reduces the complexity of the modules.
KW - Gravitational wave detection
KW - Monolithic fiber amplifier
KW - Single-frequency
UR - http://www.scopus.com/inward/record.url?scp=85068319988&partnerID=8YFLogxK
U2 - 10.15488/10252
DO - 10.15488/10252
M3 - Conference contribution
AN - SCOPUS:85068319988
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - Fiber Lasers XVI
A2 - Carter, Adrian L.
A2 - Dong, Liang
PB - SPIE
T2 - Fiber Lasers XVI: Technology and Systems 2019
Y2 - 4 February 2019 through 7 February 2019
ER -