Chinese Optics Letters, Volume. 17, Issue 4, 040501(2019)
Angular filtering by volume Bragg grating in photothermorefractive glass for nanosecond laser pulse
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Fig. 1. (a) Schematic diagram of the experiment on an angular filter for an ns pulse laser. (b) The structural schematic diagram of a 2D angular filter.
Fig. 3. Near-field distribution of the (a) modulated beam and (b) filtered beam through the angular filter.
Fig. 4. PSD curves of the modulated and filtered beams in (a) the
Table 1. Parameters of the VBGs Used in the Experiment
View tableView in ArticleTable 1. Parameters of the VBGs Used in the Experiment
VBG-I VBG-II Central wavelength 1053 nm Period 2.50 μm 3.49 μm Thickness 3.54 mm Tilt angle 0.14° Bragg angle 11.9° 8.9°
Table 2. Results of M and C
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Baoxing Xiong, Fan Gao, Xiang Zhang, Xiao Yuan. Angular filtering by volume Bragg grating in photothermorefractive glass for nanosecond laser pulse[J]. Chinese Optics Letters, 2019, 17(4): 040501
Paper Information
Category: Diffraction and Gratings
Received: Nov. 9, 2018
Accepted: Jan. 15, 2019
Published Online: Apr. 3, 2019
The Author Email: Xiang Zhang (zxiang@suda.edu.cn)
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