C1.1 Spatial Homogeneity of the Radiance of a Large-diameter Integrating Sphere in the SWIR Measured with an InGaAs Camera
- Event
- SMSI 2021
2021-05-03 - 2021-05-06
digital - Band
- SMSI 2021 - Sensors and Instrumentation
- Chapter
- C1 IRS² Satellite Conference: Infrared Sensors
- Author(s)
- S. König, B. Gutschwager, I. Müller, R. Taubert - Physikalisch-Technische Bundesanstalt, Berlin (Germany)
- Pages
- 173 - 174
- DOI
- 10.5162/SMSI2021/C1.1
- ISBN
- 978-3-9819376-4-0
- Price
- free
Abstract
We present the investigation of the spatial homogeneity of radiance of a large-diameter integrating sphere in the SWIR measured with an InGaAs camera. A procedure developed at PTB is used to correct the non-uniformity of the infrared camera used. Various configurations are examined and the suitability of the examined sphere for characterizing IR cameras. The integrating sphere was found having a homogeneity of ± 1% in the integral wavelength range from 0.9 μm to 1.7 μm.