Agilent Technologies 5517B, User Manual

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74 Agilent 5517B/BL/C/D/DL/FL User’s Guide
8
Specifications
Introduction
This chapter contains specifications and characteristics for the
Agilent 5517B/BL/C/D/DL/FL Laser Head.
The specifications in this chapter apply to all functions over the
temperature range 0
⋅
C to +40
⋅
C and relative humidity < 95%, unless
otherwise noted. All specifications apply after the temperature of the laser
head has been stabilized after 1 hour continuous operation and the
performance tests have been run.
Calibration cycle
Over time the optical power on the laser tube will decrease. The laser,
however, will continue to operate at low levels of optical power. It is
important to know the level of optical power needed to maintain the
integrity of your system. You will need to calculate how often to measure
the optical power based on your optical needs and the optical power of
the laser when manufactured (see rear panel label).
Specifications and characteristics
The distinction between specifications and characteristics is described as
follows:
Specifications describe warranted performance.
Characteristics provide useful, but nonwarranted information about the
functions and performance of the instrument. Any value with a “typical”
moniker is a characteristic.
Specifications and Characteristics
Table 15 lists the specifications and characteristics of the Agilent Laser
Head Laser Head.