= Specification terget =
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 *Incident laser Power: 2W
 *Laser frequency: 1047 nm
 *Laser positions: XXXX from the center (Rahul and Yuki simulate now.)
 *P-P Modulated power: 1 W
 *Incident angle: 1 deg
 *Optical efficiency: (periscope mirror transmittance(thorlabs), vacuum window transmittance, and HR reflectance at 1047nm)
 *Input frequency: need discussion