Wolfgang Kraetschmer

ISOPHOT: far-infrared imaging, polarimetry, and spectrophotometry on Infrared Space Observatory

Josef Schubert, Martyn Wells, Ulrich Klaas, 1993, Optics & Photonics.

Alpha-radiation tests on the transmission of cryogenically cooled infrared filter materials used in ISOPHOT

Josef Schubert, Dietrich Lemke, Wolfgang Kraetschmer, 1995, Optics & Photonics.

High-performance FIR bandpass filters for the ISOPHOT instrument

Josef Schubert, Ernst Kreysa, Hans-Peter Gemuend, 1994, Optics & Photonics.