Optical fiber concentration sensor based on whispering gallery mode interference

2013 ◽  
pp. 365-368
Author(s):  
Chia-Chin Chiang ◽  
Jian-Cin Chao ◽  
Chih-Yung Chien
Keyword(s):  
Optical Fiber ◽  
Whispering Gallery Mode ◽  
Fiber Concentration ◽  
Whispering Gallery ◽  
Mode Interference

scholarly journals Whispering Gallery Mode Based Optical Fiber Sensor for Measuring Concentration of Salt Solution

2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Chia-Chin Chiang ◽  
Jian-Cin Chao
Keyword(s):  
Optical Fiber ◽  
Mass Production ◽  
Low Cost ◽  
Optical Fiber Sensor ◽  
Whispering Gallery Mode ◽  
Solution Concentration ◽  
Fiber Sensor ◽  
Average Sensitivity ◽  
Whispering Gallery ◽  
The Right

An optical fiber solution-concentration sensor based on whispering gallery mode (WGM) is proposed in this paper. The WGM solution-concentration sensors were used to measure salt solutions, in which the concentrations ranged from 1% to 25% and the wavelength drifted from the left to the right. The experimental results showed an average sensitivity of approximately 0.372 nm/% and anR2linearity of 0.8835. The proposed WGM sensors are of low cost, feasible for mass production, and durable for solution-concentration sensing.

scholarly journals Highly sensitive nano-aerosol detection based on the whispering-gallery-mode in cylindrical optical fiber resonators

2016 ◽  
Vol 50 (12) ◽  
pp. 1366-1374 ◽  
Author(s):  
Dong Wang ◽  
Zihan Wang ◽  
Aram Lee ◽  
Linsey C. Marr ◽  
James R. Heflin ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Whispering Gallery Mode ◽  
Whispering Gallery ◽  
Highly Sensitive

Whispering gallery mode microsphere resonator integrated inside a microstructured optical fiber

2013 ◽  
Vol 38 (8) ◽  
pp. 1301 ◽  
Author(s):  
Kyriaki Kosma ◽  
Gianluigi Zito ◽  
Kay Schuster ◽  
Stavros Pissadakis
Keyword(s):  
Optical Fiber ◽  
Whispering Gallery Mode ◽  
Whispering Gallery ◽  
Microstructured Optical Fiber

scholarly journals Effects of Size and Surrounding Medium on Whispering-Gallery-Mode Lasers in Er3+-Doped Silica Microspheres

2021 ◽  
Author(s):  
Thu Trang Hoang ◽  
Van Dai Pham ◽  
Thanh Son Pham ◽  
Xuan Bach Nguyen ◽  
Khai Q. Le ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Surrounding Medium ◽  
Cone Angle ◽  
Single Mode ◽  
Whispering Gallery Mode ◽  
Silica Microspheres ◽  
Whispering Gallery ◽  
Tapered Optical Fiber ◽  
Difference Time

Abstract This work reports the experimental fabrication and characterization of the Er3+-doped silica microspheres (mS) and numerical investigation of the effects of size and surrounding medium on the optical properties of whispering-gallery-mode (WGM) lasers. The heat melting method of two discharge electrodes was used to produce the Er3+-doped silica mSs of diameters up to several tens of micrometers. The 125-mm diameter single-mode optical fiber was tapered with a cone angle formed by chemical etching in hydrofluoric acid (HF) solutions. It was used to produce the mSs and couple the pumped laser into mS surface as well was coupled out the lasing emission. The WGM lasers at telecom regime of ~1520-1570 nm were characterized in both clockwise (CW) and counterclockwise (CCW) propagation directions. By adjusting the coupling gap between the tapered optical fiber and the mS surface, the selectivity of the multi- or single-emitted modes of the mS laser was achieved. We performed finite-difference time-domain (FDTD) simulations to examine the size dependence and analyze the effect of the surrounding medium’s refractive index on the optical characteristics, such as emission wavelength, intensity, as well as the shape of WGM lasing emission. The facile approach and quantitative investigation of this work has attracted much attention from researchers in the micro-photonic field and may be useful in many applications from tunable single-mode lasing sensing to optical micro-devices.

Thermo-optic tuning of whispering gallery mode lasing from a dye-doped hollow polymer optical fiber

2017 ◽  
Vol 42 (15) ◽  
pp. 2926 ◽  
Author(s):  
V. R. Anand ◽  
S. Mathew ◽  
Boni Samuel ◽  
P. Radhakrishnan ◽  
M. Kailasnath
Keyword(s):  
Optical Fiber ◽  
Whispering Gallery Mode ◽  
Polymer Optical Fiber ◽  
Whispering Gallery
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