P1.8 Verification of the internal alignment of the instrument

• Phase : 1
• Status : Draft
• Category : Unpack, Assemble, Verification, and Installation (C1)
• Recurrence : once
• Duration : 4 days

Description

• Check the internal alignment of the SHARK-NIR using the light sources within.

Prerequisites

• SHARK-NIR connected to LBT network.
• Electronics cabinets on.
• The cryostat should be running and cooled down.

Procedure

• Use the on-axis calibration fiber and checking if the spot position on the scientific detector is consistent with the one recorded before shipping for multiple bearing angles.
• Check the pupil position at the detector and verify the consistency with the one before shipping.
• Check the relative alignment of the coronographic masks.
• Verify the contrast obtained for different sets of masks on the scientific camera and compare it with the values before shipping.
• If necessary, re-align the optical bench internally (this is not anticipated, and the time above do not consider this).

Success criteria

• The on-axis spot at the SCICAM is where it should be across the bearing rotation?
• Use pupil images and compare?
• PSF quality across?

Notes LBTO support Associated SHARK-NIR personnel

Date performed and by whom