Metrology System to Beam Combining Facility ICD INT-406-VEN-0012 v0.4.doc Page 4 of 16
6 Applicable Documents
DOCUMENTS
AD1 Top Level Requirements INT-406-TSP-0002
AD2 MROI Delay Line Derived requirements INT-406-VEN-0107
DRAWINGS
AD3 MROI Beam Combining Facility
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7 Reference Documents
RD1 Delay line to Beam Relay system (INT-406-VEN-0008)
RD2 Delay line to metrology system (INT-406-VEN-0010)
RD3 Metrology System to Beam Relay System (INT-406-VEN-0013)
RD4 Parts list for the MROI Metrology System
RD5 5517FL Laser Head User Manual
RD6 M3 Architectural Dimension Floor Plan AR101
RD7 Metrology system drawing set
RD8 Internal memo (email from T Coleman 2009-05-29)
8 Introduction
This ICD describes the facilities and services which the metrology system requires to be provided in
the BCF. There are four areas of interface: the metrology table in the inner BCA; the placement of
electronics chassis in the outer BCA; the cabling between the electronics chassis and subassemblies
on the metrology table; and the services required at the metrology table and the electronics chassis.
The size and positioning of the metrology table is closely associated with the delay lines which the
metrology system feeds (information on the interface between the delay lines and the metrology
system is contained in RD2 and the layout of the components on the metrology table is presented in
RD4). Access to the delay line end-plates close to the table and also to components on the table is
very important and since space in the inner BCA is limited some further compromise may be
necessary e.g. incorporating some of the other optical components required in the BCA on the
metrology table.
To meet heat loading limitations in the inner BCA (RD8), most of the electronics associated with
the metrology system is located in the outer BCA while the laser head, located on the metrology
table, is to be ventilated by forced air drawn in from and returned to the outer BCA.
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