Coupling between single-mode fiber and polymeric planar thin film waveguide of different structures

1994 ◽  
Author(s):  
Alok K. Das ◽  
Mehabub A. Mondal ◽  
Amar K. Ganguly ◽  
Angshuman Mukherjee ◽  
Dilip K. Paul
Keyword(s):  
Thin Film ◽  
Single Mode ◽  
Single Mode Fiber

scholarly journals An Optical Fiber Fabry–Perot Pressure Sensor with Optimized Thin Microbubble Film Shaping for Sensitivity Enhancement

Coatings ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 358 ◽  
Author(s):  
Shubin Zhang ◽  
Zhenjun Shao ◽  
Jinrong Liu ◽  
Meixue Zong ◽  
Jian Shen ◽  
...  
Keyword(s):  
Thin Film ◽  
Arc Discharge ◽  
Structural Parameters ◽  
Silicon Film ◽  
Glass Tube ◽  
High Sensitivity ◽  
Single Mode ◽  
Single Mode Fiber ◽  
Fabry Perot ◽  
Micrometer Scale

A pressure-assisted arc discharge method of preparing silicon microbubbles with a glass tube was utilized for decreasing the bubble film’s thickness and improving the bubble’s uniformity. By controlling the arc discharge intensity, discharge time and the position of the fiber carefully, the thickness of the microbubble film was reduced to the micrometer scale. Later, the thin film of the microbubble was transferred to the end the single-mode-fiber/glass-tube structure, for forming the FP (Fabry–Perot) interference cavity. As the thin film is sensitive to the outer pressure, such a configuration could be used for a high-sensitive-pressure measurement. Experimental results show that the sensitivity of this FP (Fabry–Perot) cavity was 6790 pm/MPa when the outer pressure ranges from 100 to 1600 kPa, and the relationship between the structural parameters of the thin film and the outer pressure was theoretically analyzed. Moreover, this special structure made of the end silicon film microbubble is more suitable for high-sensitivity applications.

scholarly journals A High-Sensitive Pressure Sensor Using a Single-Mode Fiber Embedded Microbubble with Thin Film Characteristics

Sensors ◽  
2017 ◽  
Vol 17 (6) ◽  
pp. 1192 ◽  
Author(s):  
Guanjun Wang ◽  
Xinglin Liu ◽  
Zhiguo Gui ◽  
Yongquan An ◽  
Jinyu Gu ◽  
...  
Keyword(s):  
Thin Film ◽  
Pressure Sensor ◽  
Single Mode ◽  
Single Mode Fiber ◽  
Film Characteristics ◽  
Sensitive Pressure

A refractometric sensor using index-sensitive mode resonance between single-mode fiber and thin film amorphous silicon waveguide

2005 ◽  
Vol 106 (1) ◽  
pp. 484-488 ◽  
Author(s):  
Andrey Andreev ◽  
Blagoy Pantchev ◽  
Parvaneh Danesh ◽  
Blagovesta Zafirova ◽  
Elka Karakoleva ◽  
...  
Keyword(s):  
Thin Film ◽  
Amorphous Silicon ◽  
Single Mode ◽  
Single Mode Fiber ◽  
Silicon Waveguide

Efficient method of coupling from a single-mode fiber to a thin-film waveguide

1994 ◽  
Vol 19 (24) ◽  
pp. 2110 ◽  
Author(s):  
Alok K. Das ◽  
Amar K. Ganguly
Keyword(s):  
Thin Film ◽  
Efficient Method ◽  
Single Mode ◽  
Single Mode Fiber

scholarly journals Sensors Based on Thin-Film Coated Cladding Removed Multimode Optical Fiber and Single-Mode Multimode Single-Mode Fiber: A Comparative Study

2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
Ignacio Del Villar ◽  
Abian B. Socorro ◽  
Miguel Hernaez ◽  
Jesús M. Corres ◽  
Carlos R. Zamarreño ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Optical Fibre ◽  
Chemical Sensing ◽  
Surrounding Medium ◽  
Single Mode ◽  
Single Mode Fiber ◽  
Mode Structure ◽  
Specific Material ◽  
Multimode Optical Fibre

Two simple optical fibre structures that do not require the inscription of a grating, a cladding removed multimode optical fibre (CRMOF) and a single-mode multimode single-mode structure (SMS), are compared in terms of their adequateness for sensing once they are coated with thin-films. The thin-film deposited (TiO2/PSS) permits increasing the sensitivity to surrounding medium refractive index. The results obtained can be extrapolated to other fields such as biological or chemical sensing just by replacing the thin-film by a specific material.

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