Ultrashort pulse carrier-envelope phase detection device and method
A carrier envelope phase and ultrashort pulse technology, which is applied in the field of photoelectric detection, can solve the problems affecting the accuracy of carrier envelope phase signals, the limitation of carrier envelope phase accuracy, and the limitation of optical comb control accuracy, etc., to achieve carrier envelope The phase signal is accurate, the detection sensitivity is improved, and the electronic circuit noise is low.
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Embodiment 1
[0035] figure 2 Schematic diagram of the structure of the detecting device for the carrier envelope phase of the ultrashort pulse carrier in the first embodiment.
[0036] Combine below figure 2 The specific structure of the detection device for the ultrashort pulse carrier envelope phase of the spatial structure of this embodiment will be described.
[0037] The detection device of the ultrashort pulse carrier envelope phase of the space structure includes a repetition rate locked ultrashort pulse laser 1, a space structure Michelson interferometer 2, an optical beam splitter 3, and a first optical filter 4-1 , the second optical filter 4-2, the first photodetector 5-1, the second photodetector 5-2, the multiple is the first electrical frequency multiplication unit 6-1 of 2 times, the multiple is the second of 3 times Electrical frequency multiplication unit 6-2, electrical frequency mixing and filtering unit 7.
[0038] The ultrashort pulse laser selects the ytterbium-d...
Embodiment 2
[0044] image 3 Schematic diagram of the structure of the detection device for the ultrashort pulse carrier envelope phase of the fiber structure in the second embodiment.
[0045] Combine below image 3 The specific structure of the detecting device for the ultrashort pulse carrier envelope phase of the optical fiber structure of this embodiment will be described.
[0046] The detection device of the ultrashort pulse carrier envelope phase of the fiber structure includes a repetition rate locked ultrashort pulse laser 1, a Michelson interferometer 2 with an all-fiber structure, an optical beam splitter 3, and a first optical filter 4- 1. The second optical filter 4-2, the first photodetector 5-1, the second photodetector 5-2, the electrical frequency multiplication unit 6 with a multiple of 2, and the electrical frequency mixing and filtering unit 7.
[0047] Ultrashort pulse laser 1 selects an erbium-doped fiber laser with a center wavelength of 1550nm, a spectral range of...
Embodiment 3
[0053] Figure 4 A schematic structural diagram of a feedback-type high-precision ultrashort pulse carrier envelope phase detection device according to Embodiment 3 of the present invention.
[0054] Combine below Figure 4 The specific structure of the feedback-type high-precision ultrashort pulse carrier envelope phase detection device of this embodiment will be described.
[0055] The feedback-type high-precision ultrashort pulse carrier envelope phase detection device includes a repetition rate locked ultrashort pulse laser 1, an all-fiber Michelson interferometer 2, an optical beam splitter 3, and a first optical filter 4-1, the second optical filter 4-2, the first photodetector 5-1, the second photodetector 5-2, the electrical frequency multiplication unit 6 with a multiple of 2, and the first electrical frequency mixing and filtering unit 7 , the second electrical mixing and filtering unit 8 .
[0056] The ultra-short pulse laser selects the erbium-doped fiber laser ...
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