With a beam profiler we measured the waist size and location for the three IR beams out of the AEI squeezer, namely the reference beam for PLL, the local oscillator (LO) for external homodyne detector, and the bright alignment beam (BAB). Below the results for horizontal (y) and vertical (x) waist, with waist distance from squeezer box measured in mm, and waist radius in micron. Attached plots show the measured radii vs distance from squeezer box.

BAB
z0x= 1430+-20 mm
z0y= 1430+-20 mm
wx= 420+-10 um
wy= 382+-6 um

LO
z0x= 480+-30 mm
z0y= 480+-30 mm
wx= 400+-10 um
wy= 400+-10 um

PLL
z0x= -200+-50 mm
z0y= -300+-50 mm
wx= 230+-10 um
wy= 240+-10 um

Acquired data for the 532 nm beam are too noisy to get reliable parameters, and will be repeated.