飞秒脉冲钛宝石激光器中的低振荡高色散镜对
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摘要
基于高反射膜层和Gires-Tournois(G-T)腔,优化设计了一对低振荡高色散镜。该色散镜对的中心波长为800 nm,能够在680～920 nm的带宽范围内提供-200 fs~2的平坦的群延迟色散。基于双离子束溅射工艺,利用Nb_2O_5和SiO_2制备了低振荡高色散镜对,并将其应用于800 nm钛宝石激光器系统。通过高色散镜对2次,100.8 fs激光脉冲被压缩至19 fs。
Based on high-reflection layers and the Gires-Tournois(G-T) cavity, a low oscillation and high dispersion mirror pair is optimized and designed, whose central wavelength is 800 nm and which can provide a constant group delay dispersion of-200 fs~2 over a bandwidth of 680-920 nm. The low oscillation and high dispersion mirror pair is prepared by using Nb_2O_5 and SiO_2 based on the dual ion beam sputtering process, which is used in the 800 nm Ti\:sapphire laser system. The laser pulse can be compressed from 100.8 fs to 19 fs when the pulse travels through the high dispersion mirror pair for twice.
Based on high-reflection layers and the Gires-Tournois(G-T) cavity, a low oscillation and high dispersion mirror pair is optimized and designed, whose central wavelength is 800 nm and which can provide a constant group delay dispersion of-200 fs~2 over a bandwidth of 680-920 nm. The low oscillation and high dispersion mirror pair is prepared by using Nb_2O_5 and SiO_2 based on the dual ion beam sputtering process, which is used in the 800 nm Ti\:sapphire laser system. The laser pulse can be compressed from 100.8 fs to 19 fs when the pulse travels through the high dispersion mirror pair for twice.
引文
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[23] Chen Y, Wang Y Z, Wang L J, et al. High dispersive mirrors for erbium-doped fiber chirped pulse amplification system[J]. Optics Express, 2016, 24(17): 19835-19840.
[24] Yang W J, Li J, Zhang F, et al. Group delay dispersion measurement of Yb\:Gd2SiO5, Yb\:GdYSiO5 and Yb\:LuYSiO5 crystal with white-light interferometry[J]. Optics Express, 2007, 15(13): 8486-8491.
[25] Amotchkina T V, Tikhonravov A V, Trubetskov M K, et al. Measurement of group delay of dispersive mirrors with white-light interferometer[J]. Applied Optics, 2009, 48(5): 949-956.
[2] Asaki M T, Huang C P, Garvey D, et al. Generation of 11-fs pulses from a self-mode-locked Ti: Sapphire laser[J]. Optics Letters, 1993, 18(12): 977-979.
[3] Keller U. Recent developments in compact ultrafast lasers[J]. Nature, 2003, 424(6950): 831-838.
[4] Song Z M, Yang S, Gao H, et al. Intense femtosecond filamentation by superposed Gaussian beam[J]. Acta Optica Sinica, 2018, 38(1): 0132001. 宋振明, 杨森, 高慧, 等. 叠加高斯光束超强飞秒成丝的研究[J]. 光学学报, 2018, 38(1): 0132001.
[5] Kerse C, Kalaycioglu H, Elahi P, et al. Ablation-cooled material removal with ultrafast bursts of pulses[J]. Nature, 2016, 537(7618): 84-88.
[6] Sudmeyer T, Marchese S V, Hashimoto S, et al. Femtosecond laser oscillators for high-field science[J]. Nature Photonics, 2008, 2(10): 599-604.
[7] Zhang Z X, Qu J L. Feature issue of "new techniques and progress in biomedical photonics"[J]. Chinese Journal of Lasers, 2018, 45(2): 0207000. 张镇西, 屈军乐. “生物医学光子学新技术及进展”专题前言[J]. 中国激光, 2018, 45(2): 0207000.
[8] Ell R, Morgner U, Kartner F X, et al. Generation of 5-fs pulses and octave-spanning spectra directly from a Ti\:Sapphire laser[J]. Optics Letters, 2001, 26(6): 373-375.
[9] Pervak V, Tikhonravov A V, Trubetskov M K, et al. 1.5-octave chirped mirror for pulse compression down to sub-3 fs[J]. Applied Physics B, 2007, 87(1): 5-12.
[10] Pervak V, Razskazovskaya O, Angelov I B, et al. Dispersive mirror technology for ultrafast lasers in the range 220-4500 nm[J]. Advanced Optical Technologies, 2014, 3(1):55-63.
[11] Golubovic B, Austin R R, Steiner-Shepard M K, et al. Double Gires-Tournois interferometer negative-dispersion mirrors for use in tunable mode-locked lasers[J]. Optics Letters, 2000, 25(4): 275-277.
[12] Sansone G, Steinmeyer G, Vozzi C, et al. Mirror dispersion control of a hollow fiber supercontinuum[J]. Applied Physics B, 2004, 78(5): 551-555.
[13] Pervak V, Ahmad I, Trubetskov M K, et al. Double-angle multilayer mirrors with smooth dispersion characteristics[J]. Optics Express, 2009, 17(10): 7943-7951.
[14] Habel F, Schneider W, Pervak V. Broadband thin-film polarizer for 12 fs applications[J]. Optics Express, 2015, 23(17): 21624-21628.
[15] Amotchkina T, Fattahi H, Pervak Y A, et al. Broadband beamsplitter for high intensity laser applications in the infra-red spectral range[J]. Optics Express, 2016, 24(15): 16752-16759.
[16] Tikhonravov A V, Trubetskov M K. Modern design tools and a new paradigm in optical coating design[J]. Applied Optics, 2012, 51(30): 7319-7332.
[17] K?rtner F X, Matuschek N, Schibli T, et al. Design and fabrication of double-chirped mirrors[J]. Optics Letters, 1997, 22(11): 831-833.
[18] Bellum J C, Field E S, Winstone T B, et al. Low group delay dispersion optical coating for broad bandwidth high reflection at 45° incidence, P polarization of femtosecond pulses with 900 nm center wavelength[J]. Coatings, 2016, 6(1): 11.
[19] Niu H L, Zhang Y G, Shen W D, et al. Design of ultrabroadband double-chirped mirror pairs for ultrafast lasers[J]. Acta Physica Sinica, 2012, 61(1): 014211. 牛海亮, 章岳光, 沈伟东, 等. 飞秒激光器中超宽带色散补偿啁啾镜对的设计[J]. 物理学报, 2012, 61(1): 014211.
[20] Chen Y, Wang Y Z, Yi K, et al. High dispersive mirror design based on the symmetric cavity and Gires-Tournois cavity[C]. 2015 Academic Annual Meeting of Shanghai Laser Society, 2015: 147-148. 陈宇, 王胭脂, 易葵, 等. 基于对称腔和Gires-Tournois腔的高色散镜设计[C]. 上海市激光学会2015年学术年会, 2015: 147-148.
[21] Tikhonravov A V, Trubetskov M K, DeBell G W. Optical coating design approaches based on the needle optimization technique[J]. Applied Optics, 2007, 46(5): 704-710.
[22] Trubetskov M, Tikhonravov A, Pervak V. Time-domain approach for designing dispersive mirrors based on the needle optimization technique. Theory[J]. Optics Express, 2008, 16(25): 20637-20647.
[23] Chen Y, Wang Y Z, Wang L J, et al. High dispersive mirrors for erbium-doped fiber chirped pulse amplification system[J]. Optics Express, 2016, 24(17): 19835-19840.
[24] Yang W J, Li J, Zhang F, et al. Group delay dispersion measurement of Yb\:Gd2SiO5, Yb\:GdYSiO5 and Yb\:LuYSiO5 crystal with white-light interferometry[J]. Optics Express, 2007, 15(13): 8486-8491.
[25] Amotchkina T V, Tikhonravov A V, Trubetskov M K, et al. Measurement of group delay of dispersive mirrors with white-light interferometer[J]. Applied Optics, 2009, 48(5): 949-956.