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Osiris


SPACE OPTICS
Pleiade mirrors
Pleiade focal plane
Telescope - Export 1
KARI – Kompsat 3 - Telescope
KARI – Kompsat 3 - OGSE
T2L2 – Transfert de temps par liaison laser
LRA – SARAL – Massive Corner cube
Baffle – sunshade - cryostat polishing and coating
On going
ETGAR projet - For ELOP
SiC scanning mirror (ELOP)
ALADIN – FP Etalon

GROUND-BASED ASTRONOMY
VLT-DSM (Back Plate)
DES (corrector - 980mm lens)
OSIRIS (collimator)
LBT (first light secondary mirror)
MRO (secondary mirror)
WFCAM optics for UK-IR telescope
HRS-SALT Spectrograph optics (incl previous coll + cam)
PEPSI-cross dispersor (incl previous Large prisms)

SCIENTIFIC PROGRAMS
X-Ray Mirrors
High Power Lasers

TEST SYSTEMS
SOPHIE
BERSO
Solar Simulator
OGSE - KARI
On going

Osiris Collimator for Grantecan



osiris_thales00THALES SESO has designed and manufactured the Collimator Assembly for the OSIRIS instrument delivered to the Instituto de Astrofisica de Canarias (IAC-Tenerife).

This equipment is installed at the focal plane of the GRANTECAN telescope.

Thanks to a fast and accurate tilting mirror, it is mainly used to correct the primary effect of the atmospheric distorsion which is actually the Tilt effect.

This assembly is of large dimensions and includes an off-axis aspherical lightened mirror and a motorized Tip-Tilt mount.



The main characteristics are:

• Mirror size = rectangular 575mmx570mm
• Mirror shape = off-axis ellipsoidal (highly aspherical)
• Mount size = 1,2m, roughly triangular frame
• Motorisation capabilities :
- Angular Range : +/- 1 mrad
- Resolution : 0,25 µrad
- Speed > 4 µrad/s
- Acceleration > 0,035 µrad/s2

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