reduced power by rotating hwp to 0 deg.

Removed previous sample but forgot to note the top direction during measurement.

Pevious sample wll be called "L19.7#1"

Installed AN-091-063-D25.4-20 sample with white dot on top

fom now this sample is called ''L20#1'"

Pt = 27.0+/-0.9mW

Pin = 31.5+/-1.1mW

increaed power back to Pt = 4.89+/-0.17W

long z scan : Fri, Feb 16, 2024 11-32-36 AM.txt

edges at z = 37.625 and 49.75 mm ie z_center = 43.69 mm

realigned DC

long z scan : Fri, Feb 16, 2024 11-50-29 AM.txt

absorption seems huge ~1600 ppm/cm

map at z_center : Fri, Feb 16, 2024 11-58-47 AM.txt