High-gain Yb:YAG amplifier for ultrashort pulse laser at high-average power

Vetrovec, John; Copeland, Drew A.; Litt, Amardeep S.; Du, D.

doi:10.1117/12.2220005

Cited by 1 publication

(3 citation statements)

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“…Figure 13 comprised two stages. Each stage used two EPDL disks in a reflective configuration as shown in Figure 14 with a multipassed architecture using relay mirrors as shown in Figure 15 in combination with passive polarization switching (see, e.g., [6] for more details). [26] showed that Tm:YAG and Tm:YLF performed nowhere near as well as Tm:Lu 2 O 3 .…”

Section: Amplifier Concept and Performance Simulationsmentioning

confidence: 99%

“…The EPDL uses a composite disk having undoped material attached to the peripheral edges of a doped laser disk [6,[22][23][24][25]. This construction improves coupling between the pump diodes and the gain medium, aids in concentration of the pump radiation, and provides cooling to the doped disk edge.…”

Section: Multipassed Edge-pumped Disk Laser Amplifiermentioning

confidence: 99%

“…This project investigated the scaling of Tm:Lu 2 O 3 for wide-BW power amplifier to be used in an UFL driver for laser acceleration of atomic particles [5]. The scaling platform was the edge-pumped disk laser (EPDL) amplifier with multipassed extraction, which was previously developed by Aqwest for a 1-µm UFL [6].…”

Section: Introductionmentioning

confidence: 99%

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Wide-bandwidth ceramic Tm:Lu₂O₃amplifier

et al. 2016

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We report on the investigation of a novel ceramic Tm:Lu 2 O 3 amplifier lasing at around 2-µm and offering efficient generation of high-energy pulses with high-peak power at high repletion rate, high efficiency, and with near-diffraction-limited beam quality (BQ). The amplifier has a bandwidth of over 300 nm, which offers broad tunability. The bandwidth also supports generation of ultrashort pulses in the femtosecond regime. The "2-for-1" pump architecture of the Tm ion enables high optical-to-optical efficiency while pumping at around 800 nm. High thermal conductivity of the Lu 2 O 3 host supports operation at high-average power. The ceramic nature of the Lu 2 O 3 host overcomes the scalability limits of single crystal sesquioxides.

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Section: Amplifier Concept and Performance Simulationsmentioning

confidence: 99%