FOACS IFU Gallery

Prototyping

assembling jig of the slicer

pupil mirror holder

pupil mirror holder

slicer

slicer

Installation test with paper and dummy weights

Assembling

Optical testing

alignment between the field stop and the slicer

checking the pupil image

checking the pseudo slit width

pseudo slit images projected on paper

Test observation

installation of FOCAS IFU	installation of FOCAS IFU	The very first light. A star was found in the top edge of the field.	The star was moved in the field center.	Planetary nebula