[1] J Li, X Ren, Y Yin, et al. 53-attosecond X-ray pulses reach the carbon K-edge. Nat Commun, 8, 186(2017).
[2] P Colosimo, G Doumy, C I Blaga, et al. Scaling strong-field interactions towards the classical limit. Nat Phys, 4, 386-389(2008).
[3] M Hohenleutner, F Langer, O Schubert, et al. Real-time observation of interfering crystal electrons in high-harmonic generation. Nature, 523, 572-575(2015).
[4] O Kara, L Maidment, T Gardiner, et al. Dual-comb spectroscopy in the spectral fingerprint region using OPGaP optical parametric oscillators. Opt Express, 25, 32713-32721(2017).
[5] F Keilmann, C Gohle, R Holzwarth, et al. Time-domain mid-infrared frequency-comb spectrometer. Opt Lett, 29, 1542-1544(2004).
[6] J Haas, B Mizaikoff. Advances in mid-infrared spectroscopy for chemical analysis. Annu Rev Anal Chem, 9, 45-68(2016).
[7] Y P Deng, A Schwarz, H Fattahi, et al. Carrier-envelope-phase-stable, 1.2 mJ, 1.5 cycle laser pulses at 2.1 μm. Opt Lett, 37, 4973-4975(2012).
[8] J Pupeikis, P-A Chevreuil, N Bigler, et al. Water window soft x-ray source enabled by a 25 W few-cycle 2.2 μm OPCPA at 100 kHz. Optica, 7, 168-171(2020).
[9] X Zou, W K Li, H K Liang, et al. 300 μJ, 3 W, few-cycle, 3 μm OPCPA based on periodically poled stoichiometric lithium tantalate crystals. Opt Lett, 44, 2791-2794(2019).
[10] X Zou, W Li, S Qu, et al. Flat-top pumped multi-millijoule mid-infrared parametric chirped-pulse amplifier at 10 kHz repetition rate. Laser Photonics Rev, 15, 2000292(2021).
[11] M Mark, H Zsuzsanna, P Valentin, et al. 43 W, 1.55 μm and 12.5 W, 3.1 μm dual-beam, sub-10 cycle, 100 kHz optical parametric chirped pulse amplifier. Opt Lett, 43, 5246-5249(2018).
[12] N Thiré, R Maksimenka, B Kiss, et al. Highly stable, 15 W, few-cycle, 65 mrad CEPnoise mid-IR OPCPA for statistical physics. Opt Express, 26, 26907-26915(2018).
[13] U Elu, M Baudisch, H Pires, et al. High average power and single-cycle pulses from a mid-IR optical parametric chirped pulse amplifier. Optica, 4, 1024-1029(2017).
[14] G Andriukaitis, T Balčiūnas, S Ališauskas, et al. 90 GW peak power few-cycle mid-infrared pulses from an optical parametric amplifier. Opt Lett, 36, 2755-2757(2011).
[15] P Wang, Y Li, W Li, et al. 2.6 mJ/100 Hz CEP-stable near-single-cycle 4 μm laser based on OPCPA and hollow-core fiber compression. Opt Lett, 43, 2197-2200(2018).
[16] Y Fu, B Xue, K Midorikawa, et al. TW-scale mid-infrared pulses near 3.3 μmdirectly generated by dual-chirped optical parametric amplification. Appl Phys Lett, 112, 241105(2018).
[17] H He, Z Wang, C Hu, et al. 520-μJ mid-infrared femtosecond laser at 2.8 μm by 1-kHz KTA optical parametric amplifier. Appl Phys B, 124, 31(2018).
[18] Y Yin, J Li, X Ren, et al. High-energy two-cycle pulses at 3.2 μm by abroadband-pumped dual-chirped optical parametric amplification. Opt Express, 24, 24989-24998(2016).
[19] T Feng, A Heilmann, M Bock, et al. 27 W 2.1 μm OPCPA system for coherent soft X-ray generation operating at 10 kHz. Opt Express, 28, 8724-8733(2020).
[20] K Zhao, H Zhong, P Yuan, et al. Generation of 120 GW mid-infrared pulses from a widely tunable noncollinear optical parametric amplifier. Opt Lett, 38, 2159-2161(2013).
[21] L Grafenstein, M Bock, D Ueberschaer, et al. 5 μm few-cycle pulses with multi-gigawatt peak power at a 1 kHz repetition rate. Opt Lett, 42, 3796-3799(2017).
[22] U Elu, T Steinle, D Sanchez, et al. Table-top high-energy 7 μm OPCPA and 260 mJ Ho: YLF pump laser. Opt Lett, 44, 3194-3197(2019).
[23] S Qu, H K Liang, K Liu, et al. 9 μm few-cycle optical parametric chirped-pulse amplifier based on LiGaS2. Opt Lett, 44, 2422-2425(2019).
[24] M Namboodiri, C Luo, G Indorf, et al. Optical properties of Li-based nonlinear crystalsfor high power mid-IR OPCPA pumped at 1 μm under realistic operational conditions. Opt Mater Express, 11, 231-239(2021).
[25] S Hrisafov, J Pupeikis, P A Chevreuil, et al. High-power few-cycle near-infrared OPCPA for soft X-ray generation at 100 kHz. Opt Express, 28, 40145-40154(2020).
[26] R K Lam, S L Raj, T A Pascal, et al. Soft X-ray second harmonic generation as an interfacial probe. Phys Rev Lett, 120, 023901(2018).
[27] A S Johnson, T Avni, E W Larsen, et al. Attosecond soft X-ray highharmonic generation. Philos Trans A Math Phys Eng Sci, 377, 20170468(2019).
[28] X Xu, Y Zhang, H Zhang, et al. Production of 100-TW single attosecond x-ray pulse. Optica, 7, 355-358(2020).
[29] Z Nourbakhsh, N Tancogne-Dejean, H Merdji, et al. High harmonics and isolated attosecond pulses from MgO. Phys Rev Applied, 15, 014013(2021).
[30] J Xu, B Shen, X Zhang, et al. Terawatt-scale optical half-cycle attosecond pulses. Sci Rep, 8, 2669(2018).
[31] K Iwakuni, S Okubo, O Tadanaga, et al. Generation of a frequency comb spanning morethan 3.6 octaves from ultraviolet to mid infrared. Opt Lett, 41, 3980-3983(2016).
[32] H Timmers, A Kowligy, A Lind, et al. Molecular fingerprinting with bright, broadband infrared frequency combs. Optica, 5, 727-732(2018).
[33] Z Nagy, A Takacs, T Filkorn, et al. Initial clinical evaluation of an intraocular femtosecond laser in cataract surgery. Journal of Refractive Surgery, 25, 1053-1060(2009).
[34] R Shah, S Shah. Effect of scanning patterns on the results of femtosecond laser lenticule extraction refractive surgery. Journal of Cataract & Refractive Surgery, 37, 1636-1647(2011).
[35] W Sekundo, K Kunert, C Russmann, et al. First efficacy and safety study of femtosecond lenticule extraction for the correction of myopia: six-month results. Journal of Cataract & Refractive Surgery, 34, 1513-1520(2008).
[36] M Blum, K Kunert, M Schröder, et al. Femtosecond lenticule extraction for the correction of myopia: preliminary 6-month results. Graefe's Archive for Clinical and Experimental Ophthalmology, 248, 1019-1027(2010).
