MOIRCS VPH-K Summary
8/20/2010 Updated

Performance as VPH

VPH ID# TM39 TM36 TM49(backup) Material S-TIM35 by OHARA Spectral Transmission@300K Plot (Before and after cryocycle) Plot N/A Cryocycle 1st (12/2008) 2nd (06/2009) 1st (06/2009) 1st (07/2009) Inspection Report Inspection by Nakajima Pictures

Performance as GRISM

GRISM ID# #1 #2 #3 VPH ID# TM36 TM39 TM49 Spectral Transmission@300K and 120K - Plot Plot Cryocycle - 07/2009 12/2009 Pictures #1 #2 #3 Installed to MOIRCS - 7/2009 8/2010

Prism/Grism Fabrication

Blank Material ZnSe (Prism Grade) by II-VI Cutting TDY Polishing/Coating/Bonding Kogaku Giken