kURT, k-distribution based Ultra-fast Radiation Transport

Award Information
Agency:
Department of Defense
Amount:
$1,329,980.00
Program:
SBIR
Contract:
W911QX-05-C-0018
Solitcitation Year:
2003
Solicitation Number:
2003.2
Branch:
Army
Award Year:
2004
Phase:
Phase II
Agency Tracking Number:
A032-1472
Solicitation Topic Code:
A03-041
Small Business Information
SPECTRAL SCIENCES, INC.
101 West Sixth Street, Austin, TX, 78701
Hubzone Owned:
N
Woman Owned:
N
Socially and Economically Disadvantaged:
N
Duns:
047627732
Principal Investigator
 Prabhat Acharya
 Principal Scientist
 (781) 273-4770
 prab@spectral.com
Business Contact
 Newton Penrose
Title: Contracts
Phone: (781) 273-4770
Email: fritz@spectral.com
Research Institution
N/A
Abstract
The design of electro-optical sensors increasingly relies on simulation models to predict performance in a wide variety of scenarios. The purpose of this SBIR program, dubbed kURT (k-distribution based Ultra-fast Radiative Transfer), is to develop very fast and accurate radiative transfer (RT) routines for incorporation in Army Research Laboratory (ARL) scene simulation software, building on the established capabilities of MODTRAN but with several orders of magnitude improvement in speed. The key technical innovation is the use of a MODTRAN-derived, bandpass-tailored k-distribution. In the highly successful Phase I program, speed and accuracy goals have been achieved for calculating 3-5 µm region transmittance, and approaches have been developed for full Phase II implementation of the software in the visible to far-IR, including solar and thermal radiance capabilities. The Phase II objectives include (1) extension to arbitrary bandpasses, (2) development of a software library of subroutines and functions for accessing the calculations from main programs in various computer languages, and (3) integration into other DoD simulation codes. The work will be performed by Spectral Sciences, Inc. in collaboration with Research Systems, Inc., Photon Research Associates, and Kinetics, Inc., who will perform code integration and evaluation.

* information listed above is at the time of submission.

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