Bench notes
Optician
How's the bench?
Filed
Entry
1
- Last shift: Blocked the 90 mm doublets.
- This shift: Second polishing pass on the flats.
- Snags: The pitch lap is running warm again.
2
- Last shift: Reran the coating witness sample.
- This shift: Plotting the reflectance sweep against target.
- Snags: The chamber pumped down slower than usual.
3
RM
- Last shift: Edged the meniscus batch down to size.
- This shift: Centring checks across all forty blanks.
- Snags: Two blanks arrived with visible striae.
4
TA
- Last shift: Wrote up the tolerance budget for the relay set.
- This shift: Sending the quote once rates are confirmed.
- Snags: Still waiting on this month's glass surcharge.
5
DK
- Last shift: Cleaned and reblocked the wedge tool.
- This shift: Fringe count on the reference flat.
- Snags: The interferometer drifts after about an hour.
3.8
Average