Noise analysis of an electro-optic sensor system

2021 ◽  
Author(s):  
Mai Tominaga ◽  
Mei Okajima ◽  
Mayuko Yamagishi ◽  
Mitsuru Shinagawa ◽  
Jun Katsuyama ◽  
...  
Keyword(s):  
Noise Analysis ◽  
Sensor System ◽  
Optic Sensor ◽  
Electro Optic

An Airborne Passive/Active Electro-Optic Sensor System for Theater Ballistic Missile Defense

1994 ◽  
Vol 106 (3) ◽  
pp. 192-207
Author(s):  
STEVEN A. DAVIDSON ◽  
JOEL G. GRIMM ◽  
PHILIP M. BLUMENAU ◽  
KENNETH I. SCHULTZ ◽  
ALAN L. KACHELMYER ◽  
...  
Keyword(s):  
Ballistic Missile ◽  
Sensor System ◽  
Missile Defense ◽  
Optic Sensor ◽  
Electro Optic ◽  
Ballistic Missile Defense

Paper #14: [192]. AN AIRBORNE PASSIVE/ACTIVE ELECTRO-OPTIC SENSOR SYSTEM FOR THEATER BALLISTIC MISSILE DEFENSE

1994 ◽  
Vol 106 (4) ◽  
pp. 129-133
Author(s):  
Steven A. Davidson ◽  
Joel G. Grimm ◽  
Philip Blumenau ◽  
Kenneth I. Shultz ◽  
Alan L. Kachelmyer ◽  
...  
Keyword(s):  
Ballistic Missile ◽  
Sensor System ◽  
Missile Defense ◽  
Optic Sensor ◽  
Electro Optic ◽  
Ballistic Missile Defense

Application of Fiber Optic BOTDA Sensor for Fire Detection in a Building

2006 ◽  
Vol 321-323 ◽  
pp. 212-216
Author(s):  
Il Bum Kwon ◽  
Chi Yeop Kim ◽  
Dae Cheol Seo
Keyword(s):  
Temperature Distribution ◽  
Optical Fiber ◽  
Fiber Optic ◽  
Smart Structures ◽  
Fire Detection ◽  
Fiber Optic Sensor ◽  
Sensor System ◽  
Real Time Processing ◽  
Optic Sensor ◽  
Electro Optic

Smart structures are to be possessed many functions to sense the external effects, such as seismic loads, temperature, and impact by some explosion, influenced on the safety of structures. This work was focused on the development of a sensing function of smart structures to get the temperature distribution on structures to detect fire occurrences. A fiber optic BOTDA (Brillouin Optical Time Domain Analysis) sensor system was developed to detect the fire occurrence by measuring the temperature distribution of a building’s exterior surfaces. This fiber optic sensor system was constructed with a laser diode and two electro-optic modulators, which made this system faster than systems using only one electro-optic modulator. The temperature distributed on an optical fiber can be measured by this fiber optic BOTDA sensor. An optical fiber, 1400 m in length, was installed on the surface of a building. Using real-time processing of the sensor system, we were able to monitor temperature distribution on the building’s surfaces, and changes in temperature distribution were also measured accurately with this fiber optic sensor.

Differential Detection for Reducing Laser Noise in Electro-Optic Sensor System

2018 ◽  
Author(s):  
Takafumi Ogawa ◽  
Riku Okada ◽  
Masahiro Yada ◽  
Mitsuru Shinagawa ◽  
Yoshinori Matsumoto ◽  
...  
Keyword(s):  
Sensor System ◽  
Differential Detection ◽  
Laser Noise ◽  
Optic Sensor ◽  
Electro Optic

Low-Frequency Effectiveness of Differential Detection for Electro-optic Sensor System

2019 ◽  
Author(s):  
Mei Okajima ◽  
Takafumi Ogawa ◽  
Mitsuru Shinagawa ◽  
Yoshinori Matsumoto ◽  
Jun Katsuyama ◽  
...  
Keyword(s):  
Low Frequency ◽  
Sensor System ◽  
Differential Detection ◽  
Optic Sensor ◽  
Electro Optic

Low-Frequency Characteristics of Laser Noise in Electro-optic Sensor System

2021 ◽  
Author(s):  
Mai Tominaga ◽  
Mayuko Yamagishi ◽  
Mitsuru Shinagawa ◽  
Jun Katsuyama ◽  
Yoshinori Matsumoto ◽  
...  
Keyword(s):  
Low Frequency ◽  
Frequency Characteristics ◽  
Sensor System ◽  
Laser Noise ◽  
Optic Sensor ◽  
Electro Optic

Electro-optic sensor system

1994 ◽  
Author(s):  
Harold H. Eyer ◽  
J. R. Turner, Jr.
Keyword(s):  
Sensor System ◽  
Optic Sensor ◽  
Electro Optic

The hybrid wireless and fiber optic sensor system

2017 ◽  
Author(s):  
M. Mądry ◽  
Ł. Pajewski ◽  
E. Bereś-Pawlik
Keyword(s):  
Fiber Optic ◽  
Fiber Optic Sensor ◽  
Sensor System ◽  
Optic Sensor

Absorption measurement of methane gas with broadband light source using fiber-optic sensor system

2010 ◽  
Vol 3 (4) ◽  
pp. 394-398
Author(s):  
Feng Cao ◽  
Duan Liu ◽  
Jiang Lin ◽  
Bichun Hu ◽  
Deming Liu
Keyword(s):  
Light Source ◽  
Fiber Optic ◽  
Absorption Measurement ◽  
Fiber Optic Sensor ◽  
Sensor System ◽  
Methane Gas ◽  
Optic Sensor ◽  
Broadband Light Source
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