FMOS

http://www.kusastro.kyoto-u.ac.jp/~iwamuro/FMOS/FMOS/

Maihara, T. (Kyoto Univ.)
Ohta, K. (Kyoto Univ)
Iwamuro, F. (Kyoto Univ.)
Kimura, M. (NAOJ)
Akiyama, M. (NAOJ)
Tamura, N. (NAOJ)
Eto, S. (Nikon Corp.)
Sakai, M. (Kyoto Univ.)
Nakajima, Y. (’†“‡•ªŒõ)


SPIE paper (6269-48-iwamuro.ps.gz, 5.1MB)

SPIE presentation (6269-48-iwamuro.ppt, 3.8MB)

FMOS specifications

  • Wavelength 0.9`1.8ƒÊm
  • Field of view 30'ƒÓ
  • Fiber diameter 1.2"ƒÓ
  • 400 multiplicity
  • OH-airglow suppression
  • Spectral resolution
    @High disp. mode:2200
    @Low disp. mode : 500
  • Limiting magnitude
    @(1h integration, S/N=5)
    @J-band 22.3mag
    @H-band 20.9mag

IRS optical layout

Echidna

IRS optical layout (animation, Zemax file, CAD file)
PFU and IRS have been transported from Kyoto to Mauna Kea.
The broken cable wrapper of PFU will be replaced next spring.
The optical adjustment of IRS in the ambient temperature
has almost finished, and the cooling test is scheduleded now.

PFU

PFU

PFU

PFU Cable wrapper

Out-focus image

On-focus image

IRS Refrigerator

IRS Compressor

IRS Camera dewar

IRS Camera dewar

IRS Camera dewar

Detector Mount

Flush light spectra

IR laser spectra

Mosaic gratings (front)

Mosaic gratings (back)

Before gratings adjustment

After gratings adjustment

Fiber slit and Mask mirror

Optics in IRS

Detector tilt adjustment

Detector focus adjustment

Before tilt adjustment

After tilt adjustment

Before focus adjustment

After focus adjustment

Dewar temp log

Refrigerator temp log

Science chip
The FMOS control system consists of five PCs.
Socket / RPC communication is adopted.
Connumication between Kyoto and AAO/UK/MELCO/FUJITSU
system makes the source complicated.

FMOS hardware location

FMOS software network

@