EXTERNAL CAVITY TUNABLE LD LIGHT SOURCE ECL-210
4-3
4.2. The Unit Principle of Operation
ch A
ch C
ch B
ch D
ch E
ch F
ch G
ch H
MLS-8100
CPU
Power Suppiy
±8V
, 0.7AX8
±5V
, 2.0AX8
RS-232C
GP-IB
FIG.2. Structure of the MLS-8100
FIG.2 shows the structure of MLS-8100
This system is composed of External Cavity Tunable LD Module (ECL) and Multi-Channel
Light Source Rack (MLS).
MLS controls and supplies power sources for required each unit from external AC power
sources, and controls with TTL serial communications. This serial communications achieves
high independency and flexibility for each unit and MLS.
MLS has control panel and display, and the selection control from each unit directly from MLS
and monitoring are available. By input major parameters such as wavelength and optical power
directly, the present selected unit can be recognized and each unit with communication can be
controlled.
In addition, both GP-IB and RS-232C, which are external communication control, are supported.
The communication control of MLS works as a switching interface between external communi-
cation control system and the each unit.
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