Abstract
Vertical-external-cavity surface-emitting lasers (VECSELs) have received much attention in the scientific community by accessing a broad spectral range, and enabling efficient intra-cavity frequency mixing [1-3]. They combine the high output power of semiconductor diode lasers with the superior beam quality inherent to surface emitters. The majority of the applications relies on the high output power of the device [4]. Generally, the performance of the VECSEL is limited by overheating. Efficient cooling concepts are therefore inevitable providing distribution and removal of the excess heat. A careful choice of the pump profile is also considered crucial for the optimal output characteristics. Here, we study the impact of the size and spatial fluence distribution of the pump spot on the output power. For this purpose the input-output characteristics of the device is monitored while simultaneously tracking the temperature in the active region.
| Original language | English (US) |
|---|---|
| Title of host publication | 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011 |
| DOIs | |
| State | Published - 2011 |
| Event | 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011 - Munich, Germany Duration: May 22 2011 → May 26 2011 |
Other
| Other | 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011 |
|---|---|
| Country | Germany |
| City | Munich |
| Period | 5/22/11 → 5/26/11 |
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ASJC Scopus subject areas
- Electrical and Electronic Engineering
Cite this
Monitoring the temperature distribution in high-power VECSELs. / Chatterjee, S.; Chernikov, A.; Herrmann, J.; Scheller, Maik A; Koch, M.; Kunert, B.; Stolz, W.; Koch, Stephan W; Wang, T. L.; Kaneda, Yushi; Yarborough, J. M.; Hader, Jorg; Moloney, Jerome V.
2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011. 2011. 5942598.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Monitoring the temperature distribution in high-power VECSELs
AU - Chatterjee, S.
AU - Chernikov, A.
AU - Herrmann, J.
AU - Scheller, Maik A
AU - Koch, M.
AU - Kunert, B.
AU - Stolz, W.
AU - Koch, Stephan W
AU - Wang, T. L.
AU - Kaneda, Yushi
AU - Yarborough, J. M.
AU - Hader, Jorg
AU - Moloney, Jerome V
PY - 2011
Y1 - 2011
N2 - Vertical-external-cavity surface-emitting lasers (VECSELs) have received much attention in the scientific community by accessing a broad spectral range, and enabling efficient intra-cavity frequency mixing [1-3]. They combine the high output power of semiconductor diode lasers with the superior beam quality inherent to surface emitters. The majority of the applications relies on the high output power of the device [4]. Generally, the performance of the VECSEL is limited by overheating. Efficient cooling concepts are therefore inevitable providing distribution and removal of the excess heat. A careful choice of the pump profile is also considered crucial for the optimal output characteristics. Here, we study the impact of the size and spatial fluence distribution of the pump spot on the output power. For this purpose the input-output characteristics of the device is monitored while simultaneously tracking the temperature in the active region.
AB - Vertical-external-cavity surface-emitting lasers (VECSELs) have received much attention in the scientific community by accessing a broad spectral range, and enabling efficient intra-cavity frequency mixing [1-3]. They combine the high output power of semiconductor diode lasers with the superior beam quality inherent to surface emitters. The majority of the applications relies on the high output power of the device [4]. Generally, the performance of the VECSEL is limited by overheating. Efficient cooling concepts are therefore inevitable providing distribution and removal of the excess heat. A careful choice of the pump profile is also considered crucial for the optimal output characteristics. Here, we study the impact of the size and spatial fluence distribution of the pump spot on the output power. For this purpose the input-output characteristics of the device is monitored while simultaneously tracking the temperature in the active region.
UR - http://www.scopus.com/inward/record.url?scp=80052284084&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=80052284084&partnerID=8YFLogxK
U2 - 10.1109/CLEOE.2011.5942598
DO - 10.1109/CLEOE.2011.5942598
M3 - Conference contribution
AN - SCOPUS:80052284084
SN - 9781457705335
BT - 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011
ER -