20190205

Optics name

Type of the optics

The holder

Note

1st steering mirror -> STM3

Newly opened "CVI HM-2037-45"

Polaris-K2S1 + washed but not vented M4 screw + ME-KAGRA-1704107-A-DWG

I determied to leave the M4 screw without a vent hole, as there is a groove on the pedestal. The outer diameter of the optics was wiped to remove the pencil memo.

Harmonic BS -> HBS

HBSY21 (From NAOJ for this purpose)

Polaris-K2S1 + washed imo M6 screw + OptoSigma VRO-12-100 + VRS-12-100 + VBSP-40100

2nd steering mirror -> GST0

Newly opened "TFMQSP-50.8C10-20-532/1064-0/26D"

Polaris-K2S1 + washed but not vented M4 screw + ME-KAGRA-1704107-A-DWG

I determied to leave the M4 screw without a vent hole, as there is a groove on the pedestal. The outer diameter of the optics was wiped to remove the pencil memo.

Collimation lens for green (3rd BRT lens for green)

SLB-50.8-200NM (From NAOJ for this purpose)

VLHG-50.8 + unwashed M6 imo screw + TR75V/M + PH75V/M + washed M6 screw + BA1V/M (all from NAOJ)

The VLHG-50.8 required M6 imo screw!!!!!!; need a proper tool to tighten the PEEK retainer of VLHG-50.8; there is a memo in the mirror's outer diameter and need to be erased for vac compatibility.