PASSIVE LASER LISTENING COUNTERMEASURE USING ANTIREFLECTION MATERIALS

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MARANDI HAMID; VAZIRI SEYED ABBAS; KHALILZADEH JAVAD

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Journal: Advanced Defense Science and Technology Year:2016 | Volume:7 | Issue:2 Page(s): 119-126

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Information Journal Paper

Title

PASSIVE LASER LISTENING COUNTERMEASURE USING ANTIREFLECTION MATERIALS

Author(s)

MARANDI HAMID | VAZIRI SEYED ABBAS | KHALILZADEH JAVAD | Issue Writer Certificate

Keywords

LASER LISTENINGQ2

PASSIVE COUNTERMEASUREQ2

PHYSICAL METHODSQ2

COATINGQ2

Abstract

In this research, LASER LISTENING countermeasure using absorbing layers deposited on surface of glass, which is located infront of the sound source was investigated experimentally. To do this, samples with one, two and three-layers of Al2O3, TiO2, MgF2, have made and used. Deposition performed by evaporation technique on BK7 glass substrate using electron gune beam. During the deposition, the optical thickness was controlled by the thickness monitoring system. Reflectance of gayers and relative intensity of the reflected beam from the coated glass surface were measured due to investigation of the effect of anti-reflective layers. Using the TFD Scope simulation software the sound graph was evaluated too. The results showed that at 632.8 nm laser wavelength, the sample coated by three layers of Al2O3 and TiO2, MgF2 significantly reduces the reflection of the laser beam to less than one percent.

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APA: Copy

MARANDI, HAMID, VAZIRI, SEYED ABBAS, & KHALILZADEH, JAVAD. (2016). PASSIVE LASER LISTENING COUNTERMEASURE USING ANTIREFLECTION MATERIALS. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, 7(2), 119-126. SID. https://sid.ir/paper/167527/en

Vancouver: Copy

MARANDI HAMID, VAZIRI SEYED ABBAS, KHALILZADEH JAVAD. PASSIVE LASER LISTENING COUNTERMEASURE USING ANTIREFLECTION MATERIALS. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY[Internet]. 2016;7(2):119-126. Available from: https://sid.ir/paper/167527/en

IEEE: Copy

HAMID MARANDI, SEYED ABBAS VAZIRI, and JAVAD KHALILZADEH, “PASSIVE LASER LISTENING COUNTERMEASURE USING ANTIREFLECTION MATERIALS,” (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, vol. 7, no. 2, pp. 119–126, 2016, [Online]. Available: https://sid.ir/paper/167527/en

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