Zobrazeno 1 - 10
of 39
pro vyhledávání: '"zaihong hou"'
Publikováno v:
Photonics, Vol 11, Iss 4, p 383 (2024)
In this paper, a turbulent wavefront measurement model based on the Hartmann system structure is proposed. The maximum recognizable mode number of different lens units is discussed, and the influence of different lens array arrangements on the accura
Externí odkaz:
https://doaj.org/article/1ad95e859ff84a70bc715c59e4e6d5a0
Publikováno v:
Photonics, Vol 10, Iss 10, p 1105 (2023)
The detector array method has been widely used in the field of high-energy laser far-field spot parameter measurement due to its ability to directly measure the far-field spot of high-energy lasers, wide dynamic range of the detectors, high system sa
Externí odkaz:
https://doaj.org/article/3e26444e44484def846e7c83225f774a
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 6, Pp 1-8 (2022)
The smear effect caused by light penetration of interline-transfer (IT) CCD in beam quality measurement (BQM) is detrimental and not analyzed pertinently. This report proposes a mathematical model and a correction method for the smeared image. The sm
Externí odkaz:
https://doaj.org/article/15937640dfbb49b380385d11a81aaba8
Publikováno v:
Photonics, Vol 10, Iss 7, p 799 (2023)
In order to improve the wavefront reconstruction accuracy of a large-aperture laser, this paper proposed an adaptive window preprocessing algorithm based on the threshold center of gravity method (AW-TCoG). The effects of median filtering and mean fi
Externí odkaz:
https://doaj.org/article/2704213b022b4ffe83fe7a2b9c6f187d
Publikováno v:
Sensors, Vol 23, Iss 2, p 623 (2023)
In order to solve the problem of atmospheric influence on the far-field measurement of the quality of a laser beam, we proposed a direct wavefront measurement system based on the Hartmann detection principle, which can measure large apertures and hig
Externí odkaz:
https://doaj.org/article/756c5a73a2f74468824ae27139abf7f4
Publikováno v:
Sensors, Vol 22, Iss 20, p 7892 (2022)
This paper proposes a new laser parameter measuring method based on cone-arranged fibers to further improve the measurable spot size, allowable incident angle range, and spatial sampling resolution. This method takes a conical array composed of flexi
Externí odkaz:
https://doaj.org/article/7647dc3b8f5a4803afdc6d5f00c7028b
Publikováno v:
Microwave and Optical Technology Letters. 65:2165-2170
Publikováno v:
Photonics; Volume 10; Issue 7; Pages: 799
In order to improve the wavefront reconstruction accuracy of a large-aperture laser, this paper proposed an adaptive window preprocessing algorithm based on the threshold center of gravity method (AW-TCoG). The effects of median filtering and mean fi
Publikováno v:
5th Optics Young Scientist Summit (OYSS 2022).
Publikováno v:
5th Optics Young Scientist Summit (OYSS 2022).