Fiber-optic evanescent field absorption sensor based on tapered probe: Effect of fiber parameters on the response curve

被引：7

作者：

Khijwania, SK ^{[1
]}

Gupta, BD ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Phys, New Delhi 110016, India

来源：

SELECTED PAPERS FROM PHOTONICS INDIA '98 | 1999年 / 3666卷

关键词：

D O I：

10.1117/12.347980

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An experimental study of the fiber-optic evanescent field absorption sensor based on tapered sensing probe is presented. The influences of numerical aperture, core radius of the fiber and the taper ratio on the sensitivity of the sensor are investigated. Increase in the numerical aperture of the fiber increases the sensitivity of the sensor while the decrease in the core radius increases the sensitivity. In addition, for a given fiber, increase in taper ratio increases the sensitivity. The relationship has been found to be linear.

引用

页码：578 / 584

页数：7

共 18 条

[1]

Gupta B. D., 1993, International Journal of Optoelectronics, V8, P409

[2] A NOVEL PROBE FOR AN EVANESCENT-WAVE FIBEROPTIC ABSORPTION SENSOR [J].

GUPTA, BD ;

TOMAR, AK ;

SHARMA, A .

OPTICAL AND QUANTUM ELECTRONICS, 1995, 27 (08) :747-753

[3] FIBER OPTIC EVANESCENT FIELD ABSORPTION SENSOR - EFFECT OF LAUNCHING CONDITION AND THE GEOMETRY OF THE SENSING REGION [J].

GUPTA, BD ;

SINGH, CD ;

SHARMA, A .

OPTICAL ENGINEERING, 1994, 33 (06) :1864-1868

[4] Fibre-optic evanescent field absorption sensor based on a U-shaped probe [J].

Gupta, BD ;

Dodeja, H ;

Tomar, AK .

OPTICAL AND QUANTUM ELECTRONICS, 1996, 28 (11) :1629-1639

[5] FIBEROPTIC EVANESCENT FIELD ABSORPTION SENSOR - A THEORETICAL EVALUATION [J].

GUPTA, BD ;

SINGH, CD .

FIBER AND INTEGRATED OPTICS, 1994, 13 (04) :433-443

[6] EVANESCENT-ABSORPTION COEFFICIENT FOR DIFFUSE SOURCE ILLUMINATION - UNIFORM-FIBER AND TAPERED-FIBER SENSORS [J].

GUPTA, BD ;

SINGH, CD .

APPLIED OPTICS, 1994, 33 (13) :2737-2742

[7] Experimental studies on the response of the fiber optic evanescent field absorption sensor [J].

Gupta, BD ;

Khijwania, SK .

FIBER AND INTEGRATED OPTICS, 1998, 17 (01) :63-73

[8]

KHIJANIA SK, 1999, IN PRESS OPT QUANT E

[9] Fiber optic evanescent field absorption sensor with high sensitivity and linear dynamic range [J].

Khijwania, SK ;

Gupta, BD .

OPTICS COMMUNICATIONS, 1998, 152 (4-6) :259-262

[10] Theory of fiber-optic, evanescent-wave spectroscopy and sensors [J].

Messica, A ;

Greenstein, A ;

Katzir, A .

APPLIED OPTICS, 1996, 35 (13) :2274-2284

← 1 2 →