New technological development for far-infrared bolometer arrays

1999 ◽  
Author(s):  
Patrick Agnese ◽  
Christophe Buzzi ◽  
Patrice Rey ◽  
Louis Rodriguez ◽  
Jean-Luc Tissot
Keyword(s):  
Technological Development ◽  
Far Infrared ◽  
Bolometer Arrays

scholarly journals Two bolometer arrays for far-infrared and submillimeter astronomy

2004 ◽  
Author(s):  
Robert F. Silverberg ◽  
Christine A. Allen ◽  
Sachidananda R. Babu ◽  
Dominic J. Benford ◽  
David T. Chuss ◽  
...  
Keyword(s):  
Far Infrared ◽  
Submillimeter Astronomy ◽  
Bolometer Arrays

scholarly journals Review: far-infrared instrumentation and technological development for the next decade

2019 ◽  
Vol 5 (02) ◽  
pp. 1 ◽  
Author(s):  
Duncan Farrah ◽  
Kimberly Ennico Smith ◽  
David Ardila ◽  
Charles M. Bradford ◽  
Michael Dipirro ◽  
...  
Keyword(s):  
Technological Development ◽  
Far Infrared ◽  
Infrared Instrumentation

scholarly journals Monolithic Si Bolometer Arrays: Detectors for Far Infrared and Submillimeter Detection

1995 ◽  
Vol 167 ◽  
pp. 95-96
Author(s):  
Harvey Moseley
Keyword(s):  
Early Stage ◽  
Broad Band ◽  
High Sensitivity ◽  
Far Infrared ◽  
Great Promise ◽  
Superconducting Tunnel Junction ◽  
Microwave Background ◽  
Current State ◽  
Photovoltaic Detectors ◽  
Bolometer Arrays

The improvement of photoconductors and photovoltaic detectors for λ < 200 μm has displaced bolometers as detectors of choice for many applications requiring high sensitivity. Continued development of bolometers for operation at low temperatures (T < 0.1 K) has resulted in significant improvements in their sensitivity, making them excellent choices for many broad band applications at λ > 200 μm, cryogenic spectrometer applications in the submillimeter, and applications requiring extreme stability and ease of calibration.I will describe the development of bolometers over the past decade, with particular emphasis on the detectors we have developed at GSFC. Detectors have been constructed in 36 element arrays with NEP ∼ 5 × 10−18 W/√Hz and a response time of ten ms. Such detectors are very useful for many current problems in Cosmic Microwave Background studies and submillimeter spectroscopy. We will describe the current state of development of the detectors and the improvements we are pursuing.There has been significant progress in the development of superconducting tunnel junction detectors for operation in the far infrared and submillimeter spectral range. Though at an early stage, these detectors have great promise of excellent sensitivity and ease of array fabrication. I will discuss the current developments in this area.

scholarly journals Noise of short-time integrators for readout of uncooled infrared bolometer arrays

2010 ◽  
Vol 8 ◽  
pp. 129-133
Author(s):  
D. Würfel ◽  
D. Weiler ◽  
B. J. Hosticka ◽  
H. Vogt
Keyword(s):  
Transfer Functions ◽  
Noise Analysis ◽  
Far Infrared ◽  
Noise Sources ◽  
Readout Circuits ◽  
Time Integrators ◽  
Noise Equivalent Temperature Difference ◽  
Short Time ◽  
Bolometer Arrays ◽  
Key Parameter

Abstract. As state-of-the-art readout circuits short-time integrators in Far Infrared (FIR) uncooled bolometer arrays are commonly used. This paper compares the transfer functions of an ideal continuous-time integrator with that of a real integrator with focus an OTA parameters and noise analysis. Beside the noise sources at the non-inverting input of the OTA special care has to be taken to account for capacitances at the inverting input. The Noise Equivalent Temperature Difference (NETD) as the key parameter for bolometer applications for a real short-time integrator will be derived. As the result it will be shown, that the NETD is 1/f-noise limited.

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