LIGO Document T1300591-v2
- A hybrid design for the ITM Elliptical Baffle is proposed, in which a plate of black glass is attached to the existing center skin to cover the stainless steel (SS) surface; the only modification to the SS skin is to add several clearance holds for attachment bolts.
Greater than a factor 26 times reduction in scattered light displacement noise could be achieved with the Hybrid baffle.
A new blade spring may be needed to suspend the heavier baffle.
V2 • Increased BRDF black glass @ 57 deg to 4E-5 sr^-1
• Updated scattering solid angle
• Increased rough cut hole edge area
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