A new method to estimate the absorption coefficient for uncooled infrared detectors

2008 ◽  
Author(s):  
M. Y. Tanrikulu ◽  
Fehmi Civitci ◽  
Tayfun Akin
Keyword(s):  
Absorption Coefficient ◽  
Infrared Detectors ◽  
New Method ◽  
Uncooled Infrared Detectors

High Pyroelectric Properties of Porous Ba0.67Sr0.33TiO3for Uncooled Infrared Detectors

2009 ◽  
Vol 92 (12) ◽  
pp. 3132-3134 ◽  
Author(s):  
Guangzu Zhang ◽  
Shenglin Jiang ◽  
Yike Zeng ◽  
Yangyang Zhang ◽  
Qingfeng Zhang ◽  
...  
Keyword(s):  
Infrared Detectors ◽  
Pyroelectric Properties ◽  
Uncooled Infrared Detectors

A New Method to Measure the Absorption Coefficient of the Automotive Driving Room Based on the Sound Pressure Delaying

2011 ◽  
Vol 415-417 ◽  
pp. 1350-1354
Author(s):  
Cong Yun Zhu ◽  
Jian Ru Shi ◽  
Shu Feng Yang
Keyword(s):  
Absorption Coefficient ◽  
Standing Wave ◽  
Sound Pressure ◽  
Measurement Methods ◽  
The Other ◽  
New Method ◽  
Wave Tube ◽  
Absorption Function ◽  
Equal Distance ◽  
Standing Wave Tube

Absorption coefficient is an important parameter of the absorption function of the absorption material. Traditional measurement methods of absorption coefficient are standing wave tube and reverberation which have some shortcomings. In this paper, phase of the sound pressure measured by two equal distance microphones placed in the front of the absorption material is delayed in order to attain the absorption coefficient. At the last, an experiment for one absorption material is carried out, the experiment results compare with the results of the other methods above mentioned that denotes that the theory is correct and practicable.

Newly developed broadband plasmonic absorber for uncooled infrared detectors

2014 ◽  
Author(s):  
Hae-Seok Park ◽  
Sung Hyun Nam ◽  
Hyun-Gue Hong ◽  
Sookyoung Roh ◽  
Seokho Yun ◽  
...  
Keyword(s):  
Infrared Detectors ◽  
Uncooled Infrared Detectors

Novel uncooled infrared detectors

2010 ◽  
Vol 18 (4) ◽  
Author(s):  
A. Rogalski
Keyword(s):  
Infrared Detectors ◽  
Electronic Noise ◽  
Excellent Performance ◽  
Uncooled Detectors ◽  
Electron Tunnelling ◽  
New Type ◽  
Uncooled Infrared Detectors ◽  
Micromechanical Structures ◽  
And Performance

AbstractDespite successful commercialization of uncooled microbolometers suitable for imaging, the community is still searching for a platform for imagers that combine affordability, convenience of operation, and excellent performance. More recently, a new type of uncooled detectors based on expansion phenomena in micromechanical structures has been introduced. These detectors are essentially free of intrinsic electronic noise and can be combined with a number of different readout techniques including: capacitive, piezoresistive, electron tunnelling, and optical. In this paper, their design structures and performance are discussed in more detail.

scholarly journals A new method to retrieve the aerosol layer absorption coefficient from airborne flux density and actinic radiation measurements

2010 ◽  
Vol 115 (D14) ◽  
Author(s):  
Eike Bierwirth ◽  
Manfred Wendisch ◽  
Evelyn Jäkel ◽  
André Ehrlich ◽  
K. Sebastian Schmidt ◽  
...  
Keyword(s):  
Absorption Coefficient ◽  
Flux Density ◽  
New Method ◽  
Aerosol Layer ◽  
Actinic Radiation ◽  
Radiation Measurements
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