Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Apichai Bhatranand"'
Publikováno v:
Photonic Sensors, Vol 10, Iss 3, Pp 195-203 (2020)
Abstract Characteristics of electric field from a coupled mode inside an optical fiber under perturbation by three-dimensional (3D) printed long-period fiber grating (LPFG) device have been observed in this work by the experiment and simulation. The
Externí odkaz:
https://doaj.org/article/c14fd4bf77fb464f8d87d3524487fe2e
Autor:
Abdullahi Usman, Apichai Bhatranand, Yuttapong Jiraraksopakun, Rapeepan Kaewon, Chutchai Pawong
Publikováno v:
Photonics, Vol 8, Iss 12, p 529 (2021)
This paper describes a modified Sagnac interferometer with a self-referenced polarization and phase-shifting technique for real-time thickness measurement of single- and double-layer transparent thin films. The proposed interferometric setup generate
Externí odkaz:
https://doaj.org/article/6b4e850ba6b94df69e4ba192b1952a22
Autor:
Apichada Sillaparaya, Apichai Bhatranand, Chudanat Sudthongkong, Kosin Chamnongthai, Yuttapong Jiraraksopakun
Publikováno v:
2022 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC).
Publikováno v:
Journal of Modern Optics. 68:1173-1180
The investigation of long-period fibre gratings formed by a 3D printer with several grating periods is presented here. The proposed grating device was pressed on to an optical fibre to observe the ...
Publikováno v:
Key Engineering Materials. 861:259-263
The rectangular-structured resin with one of its triangular long-period fiber grating surface is designed and printed out by using a high resolution 3D printer, so called long-period fiber grating (LPFG) resin. This LPFG resin is directly pressed on
Publikováno v:
Photonic Sensors, Vol 10, Iss 3, Pp 195-203 (2020)
Characteristics of electric field from a coupled mode inside an optical fiber under perturbation by three-dimensional (3D) printed long-period fiber grating (LPFG) device have been observed in this work by the experiment and simulation. The various p
Autor:
Abdullahi Usman, Apichai Bhatranand, Yuttapong Jiraraksopakun, Rapeepan Kaewon, Chutchai Pawong
Publikováno v:
2022 International Electrical Engineering Congress (iEECON).
Autor:
Abdullahi Usman, Yuttapong Jiraraksopakun, Rapeepan Kaewon, Chutchai Pawong, Apichai Bhatranand
Publikováno v:
Laser Physics. 32:125401
This paper presents the comparison of three-, four- and five-step techniques for measuring transparent thin-film thickness of T a 2 O 5 and W O 3 deposited on BK-7 substrates. The Sagnac interferometer was modified with phase shifting approach for th
Publikováno v:
ICCCS
Obstructive Sleep Apnea (OSA) identification aims to recognize the sounds from the obstructive sleep apneahypopnea syndrome (OSANHS) patients. Despite remarkable advances have been made, the performance heavily relies on the sound representation. Fea
Autor:
Apichai Bhatranand, Yuttapong Jiraraksopakun, Abdullahi Usman, Rapeepan Kaewon, Chatchai Pawong
Publikováno v:
2021 9th International Electrical Engineering Congress (iEECON).
The new scheme of a non-contact thickness measurement of multi-layer thin films with improving the sensitivity, accuracy, and performance of the measurement techniques is reported in this paper. Single- and double-layer film thickness measurement usi