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New High Resolution, Large Area Detector for Synchrotron Applications

Award Information

Agency:
Department of Energy 		Branch:
N/A 		Award ID:
 Program Year/Program:
2011 / SBIR
Agency Tracking Number:
95691 		Solicitation Year:
2011 		Solicitation Topic Code:
13 a 		Solicitation Number:
DE-FOA-0000508
Small Business Information
RADIATION MONITORING DEVICES, INC.
44 HUNT ST WATERTOWN, MA 02472-
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 2
Fiscal Year: 2011
Title: New High Resolution, Large Area Detector for Synchrotron Applications
Agency: DOE
Contract: DE-FG02-10ER85871
Award Amount: $999,998.00
 

Abstract:

Synchrotron radiation is a powerful tool for measuring structural properties of materials. Important applications of higher energy synchrotron X-rays include measurement of strain and material evolution during processing, studies of composite materials and studies of layered systems. Detector requirements for these applications include large area, high sensitivity, wide dynamic range, high spatial resolution and fast response. None of the existing detectors meet all of these requirements. We propose to develop a direct detection imager consisting of a compound semiconductor layer coupled to an amorphous silicon thin film transistor array. This detector promises to have higher sensitivity and higher spatial resolution than indirect detectors currently in use. In addition, a low-cost method that can easily be scaled to large areas will be employed to couple the semiconductor layer to the read out array. Prototype imaging detectors based on a compound semiconductor layer coupled to an amorphous silicon thin film transistor array were developed. Film deposition parameters were investigated. The detectors exhibited high sensitivity and high spatial resolution as predicted. Purification of the semiconductor material will be a focus of the Phase II work. Scale up of semiconductor film area and increase in uniformity will also be addressed. Imaging detectors will be characterized at a synchrotron facility. Commercial Applications and Other Benefits: In addition to the synchrotron applications mentioned above, a high resolution, large area detector would have important applications in X-ray diffraction and medical imaging including breast tomosynthesis and portal imaging.

Principal Investigator:

Tapan Gupta
Dr.
6176686800
TGupta@RMDINC.com

Business Contact:

Gerald Entine
Dr.
6176686800
NMarshall@RMDInc.com
Small Business Information at Submission:

Radiation Monitoring Devices, Inc.
44 Hunt Street Watertown, MA -

EIN/Tax ID: 042546395
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No