Optic-misalignment tolerances for the POINTS interferometers

Details Optic-misalignment tolerances for the POINTS interferometers Optic-misalignment tolerances for the POINTS interferometers

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993spie.1947..218n&link_type=abstract

Proc. SPIE Vol. 1947, p. 218-231, Spaceborne Interferometry, Robert D. Reasenberg; Ed.

Physics

Optics

2

Scientific paper

We present the results of two parallel studies of the sensitivity of astrometric measurements to misalignment of each of the major optical assemblies in the POINTS instrument. Tilt and displacement of the optics lead to tilt, displacement, and defocussing of the starlight and metrology beams, giving rise to systematic errors. In one method, we derive analytic expressions for the lowest order dependence of the error on the misalignment, and evaluate them in the present interferometer design. In the second method, we use a commercial numerical ray tracing program to calculate the overall optical path travelled through the misaligned starlight and metrology paths; from those results, our own software determines the dependence of the residual error on the original misalignment. These sensitivities are compared to the analytic results for mutual verification. We also discuss the impact these results have had on the design of the instrument.

Affiliated with

Also associated with

No associations

Rating

Optic-misalignment tolerances for the POINTS interferometers does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Optic-misalignment tolerances for the POINTS interferometers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optic-misalignment tolerances for the POINTS interferometers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1543209