Abstract

We successfully constructed a passively Q-switched Yb:YAG laser ignitor pumped by a diode laser with low power and long pulse width. To the best of our knowledge, this is the first study to achieve a quasi-MW output power from an optimized Q-switch Yb:YAG laser ignitor by using a pumping diode laser module emitting at under a power of 23 W. The output pulse energy of our optimized laser is 0.98 mJ enclosed in a 1.06 ns pulse width, corresponding to a peak power of 0.92 MW.

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  1. N. Pavel, M. Bärwinkel, P. Heinz, D. Brüggemann, G. Dearden, G. Croitoru, and O. V. GrigoreLaser ignition - Spark plug development and application in reciprocating enginesProg. Quantum Electron.201858132
  2. M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. TairaHigh peak power, passively Q-switched microlaser for ignition of enginesIEEE J. Quantum Electron.201046277284
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  10. M. Tsunekane and T. TairaHigh peak power, passively Q-switched Yb:YAG/Cr:YAG micro-lasersIEEE J. Quantum Electron.201349454461
  11. G. Xiao and M. BassA generalized model for passively Q-switched lasers including excited state absorption in the saturable absorberIEEE J. Quantum Electron.1997334144
  12. B. Lipavsky, Y. Kalisky, Z. Burshtein, Y. Shimony, and S. RotmanSome optical properties of Cr4+-doped crystalsOpt. Mater.199913117127
  13. G. Xiao, J. H. Lim, S. Yang, E. V. Stryland, M. Bass, and L. WeichmanZ-scan measurement of the ground and excited state absorption cross section of Cr4+ in yttrium aluminum garnetIEEE J. Quantum Electron.19993510861091
  14. Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and R. KoktaExcited-state absorption studies of Cr4+Ions in several garnet host crystalsIEEE J. Quantum Electron.199834292299

Other (14)

N. Pavel, M. Bärwinkel, P. Heinz, D. Brüggemann, G. Dearden, G. Croitoru, and O. V. GrigoreLaser ignition - Spark plug development and application in reciprocating enginesProg. Quantum Electron.201858132

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. TairaHigh peak power, passively Q-switched microlaser for ignition of enginesIEEE J. Quantum Electron.201046277284

T. X. PhuocLaser-induced spark ignition fundamental and applicationsOpt. Lasers Eng.200644351397

T. Taira, S. Morishima, K. Kanehara, N. Taguchi, A. Sugiura, and M. TsunekaneWorld first laser ignited gasoline engine vehiclProc. The 1st Laser Ignition Conference (LIC’ 13)Pacifico Yokohama Nation Convention Hall, Japan2013Apr.2325

W. Koechner and M. BassSolid-State Lasers: A Graduate TextSpringerNY, USA2003Chapter 2-3

J. Dong, Y. Rend, and H. Cheng>1 MW peak power, an efficient Yb:YAG/:YAG composite crystal passively Q-switched laserLaser Phys.201424055801

J. J. DegnanTheory of the optimally coupled Q-switched laserIEEE J. Quantum Electron.198925214220

X. Zhang, S. Zhao, Q. Wang, Q. Zhang, L. Sun, and S. ZhangOptimization of Cr4+-doped saturable-absorber Q-switched lasersIEEE J. Quantum Electron.19973322862294

J. Ma, J. Dong, K.-I. Ueda, and A. A. KaminskiiOptimization of Yb:YAG/Cr4+:YAG composite ceramics passively Q-switched microchip lasersAppl. Phys.2011105749760

M. Tsunekane and T. TairaHigh peak power, passively Q-switched Yb:YAG/Cr:YAG micro-lasersIEEE J. Quantum Electron.201349454461

G. Xiao and M. BassA generalized model for passively Q-switched lasers including excited state absorption in the saturable absorberIEEE J. Quantum Electron.1997334144

B. Lipavsky, Y. Kalisky, Z. Burshtein, Y. Shimony, and S. RotmanSome optical properties of Cr4+-doped crystalsOpt. Mater.199913117127

G. Xiao, J. H. Lim, S. Yang, E. V. Stryland, M. Bass, and L. WeichmanZ-scan measurement of the ground and excited state absorption cross section of Cr4+ in yttrium aluminum garnetIEEE J. Quantum Electron.19993510861091

Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and R. KoktaExcited-state absorption studies of Cr4+Ions in several garnet host crystalsIEEE J. Quantum Electron.199834292299

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