Nd:YAG Laser Power Transmission through an Optical Fiber.

1999 ◽  
Vol 27 (3) ◽  
pp. 151-155 ◽  
Author(s):  
Hirotaka KANAZAWA
Author(s):  
Z H Cui ◽  
W S Hua ◽  
X G Liu ◽  
T Guo ◽  
Y Yan

Author(s):  
Tao Zheng ◽  
Hee-Je Kim ◽  
Jae-cheol Lee ◽  
Guo-Cheng Xu

1994 ◽  
Author(s):  
Riccardo Falciai ◽  
Tania Pascucci ◽  
Alessandro Schena

Materials ◽  
2020 ◽  
Vol 13 (21) ◽  
pp. 5044
Author(s):  
Joanna E. Moś ◽  
Karol A. Stasiewicz ◽  
Katarzyna Matras-Postołek ◽  
Leszek R. Jaroszewicz

The paper investigates the effect of thermo-optic switching resulting from the hybrid combination of a tapered optical fiber (TOF) with alkanes doped with nanoparticles of zinc sulfide doped with manganese (ZnS:Mn NP). Presented measurements focused on controlling losses in an optical fiber by modification of a TOF cladding by the alkanes used, characterized by phase change. Temperature changes cause power transmission changes creating a switcher or a sensor working in an ON-OFF mode. Phase change temperatures and changes in the refractive index of the alkane used directly affected power switching. Alkanes were doped with ZnS:Mn NPs to change the hysteresis observed between ON-OFF modes in pure alkanes. The addition of nanoparticles (NPs) reduces the difference between phase changes due to improved thermal conductivity and introduces extra nucleating agents. Results are presented in the wide optical range of 550–1200 nm. In this investigation, hexadecane and heptadecane were a new cladding for TOF. The higher alkanes were doped with ZnS: Mn NPs in an alkane volume of 1 wt.% and 5 wt.%. The thermo-optic effect can be applied to manufacture a thermo-optic switcher or a temperature threshold sensor.


2013 ◽  
Vol 770 ◽  
pp. 398-401
Author(s):  
Prayut Potirak ◽  
Monludee Ranusawud ◽  
Pichet Limsuwan ◽  
Prathan Buranasiri

This research studied characteristics of the Nd:YAG laser with second harmonic generation (SHG) at 532 nm. It can be develop as a standard wavelength according to the recommendation made by the Comite International des Poids et Measures (CIPM). This study investigates various parameters that effect wavelength and laser power of the Nd:YAG laser such as injection current of diode laser, temperature of Nd:YAG crystal and second harmonic generator crystal. Its wavelength can be tuned in the range of standard wavelength at 532.24503 nm with 10-7 of stability.


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