ETM14 Polish waiver, excess defects

Document #:

LIGO-E1500108-x0

Document type:

E - Engineering documents

Abstract:

The total area of defects and scratches is below the budgeted amount for Test Mass surfaces. There is no detrimental effect from distribution of the defects among points or scratches.

In summary for defects inside the center 120 mm diameter:
Type / ETM14/ Budget
Scratches/ 3,871/ 20,000
Points*/ 25,525/ 19,635
Total/ 29,396/ 39,635

Files in Document:

None

Topics:

• Subsystem Test
• Quality Assurance
• Core Optics

Authors:

• GariLynn Billingsley

Keywords:

ETM14

Related Documents:

• LIGO-E1100883: ETM14 Characterization

Referenced by:

• LIGO-E1500147-v1: aLIGO, Waiver Log