What thermal lensing @ 120K?
back of the envelope calculation
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TCS design must: robust, flexible
Actuators
Ok with room temperature TMs, what with cryogenics?
AdV design optimized to have the best uniformity:for ET segmented RH for higher order aberrations control (astigmatism)?
What material/temperature for CPs?
New wavelengths and lasers?
Thermal actuators? Depends on CP material…
LG33 modes require new approaches to compensating beam shaping.
Sensors
Adaptive optics for squeezing
Filter cavities tuning to improve MM: RHs may be the best option
Thermal actuators for squeezing beam MM before FC
Actuation on FC mirrors for reducing losses from mirrors figure errors
