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Journals

Test of a Slow Off-Axis Parabola at it

Author(s)
R E. Parks, Christopher J. Evans, Lianzhen Shao
We describe the interferometric testing of a slow (f/16 at the center of curvature) off-axis parabola, intended for use in an x-ray spectrometer, that uses a

Low Heat-Flux Measurements: Some Precautions

Author(s)
Thomas J. Ohlemiller, A F. Robertson
Simple experiments are described for the purpose of illustrating measurement errors and their avoidance during use of Gardon or Schmidt0Boelter toal heat flux
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