All-reflective self-referenced spectral interferometry for single-shot measurement of few-cycle femtosecond pulses in a broadband spectral range

Zhe Si; Xiong Shen; Jingxin Zhu; Lei Lin; Lihua Bai; Jun Liu

doi:doi:10.3788/COL202018.021202

Chinese Optics Letters, 2020, 18 (2): 021202, Published Online: Dec. 30, 2019

All-reflective self-referenced spectral interferometry for single-shot measurement of few-cycle femtosecond pulses in a broadband spectral range Download： 830次

Zhe Si ^1,2Xiong Shen ^2,3Jingxin Zhu ^2,3Lei Lin ^2,3Lihua Bai ¹Jun Liu ^2,3,*

Author Affiliations

¹ Department of Physics, Shanghai University, Shanghai 200444, China

² State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

³ Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Figures & Tables

Fig. 1. Optical layout of the proposed AR-TG-SRSI. FH1 and FH2, plate with four equal-size holes; a, L-shaped metal-coated plane mirror; b, uncoated parallel mirror with fixed time-delay; SM, metal-coated mirror with a 3 mm diameter hole; CM1 and CM2, concave lens, $f = 100 mm$ ; KP, third-order nonlinear medium, 0.15 mm thick fused silica; A, iris; CM3, concave lens, $f = 75 mm$ ; SP, spectrometer.

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Fig. 2. (a) Sketch of the AR-TG-SRSI. (b) The schematic diagram. Size: $293 mm \times 170 mm \times 83 mm$ [their dimensions are specified in the brackets with units in millimeters (mm)]. (c) A photo of the AR device on an A4 paper.

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Fig. 3. Experimental setup.

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Fig. 4. (a), (d) Spectral intensity of the unknown input pulses (blue dash-dotted curve), the TG reference pulses (red solid curve), and the interference between them (black solid curve). (b), (e) Measured spectra of the unknown pulses (black solid curve), retrieved spectra of the unknown pulses (red dash-dotted curve, and retrieved spectral phases (orange solid curve). (c), (f) Retrieved temporal profile (red solid curve) and retrieved temporal phase (orange dash-dotted curve) of the unknown pulses.

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Zhe Si, Xiong Shen, Jingxin Zhu, Lei Lin, Lihua Bai, Jun Liu. All-reflective self-referenced spectral interferometry for single-shot measurement of few-cycle femtosecond pulses in a broadband spectral range[J]. Chinese Optics Letters, 2020, 18(2): 021202.

All-reflective self-referenced spectral interferometry for single-shot measurement of few-cycle femtosecond pulses in a broadband spectral range Download： 830次

Fig. 2. (a) Sketch of the AR-TG-SRSI. (b) The schematic diagram. Size: $293 mm \times 170 mm \times 83 mm$ [their dimensions are specified in the brackets with units in millimeters (mm)]. (c) A photo of the AR device on an A4 paper.

Fig. 3. Experimental setup.

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All-reflective self-referenced spectral interferometry for single-shot measurement of few-cycle femtosecond pulses in a broadband spectral range Download： 830次

Fig. 2. (a) Sketch of the AR-TG-SRSI. (b) The schematic diagram. Size: 293 mm × 170 mm × 83 mm [their dimensions are specified in the brackets with units in millimeters (mm)]. (c) A photo of the AR device on an A4 paper.

Fig. 3. Experimental setup.

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Fig. 2. (a) Sketch of the AR-TG-SRSI. (b) The schematic diagram. Size: $293 mm \times 170 mm \times 83 mm$ [their dimensions are specified in the brackets with units in millimeters (mm)]. (c) A photo of the AR device on an A4 paper.