Tektronix TekRanger 2 TFS3031, Service Manual

Page: 112 / 272

Specifications – TekRanger 2 (serial nos. B052000 and above)
TFS3031 TekRanger/TekRanger 2 Service Manual
1–89
1625 nm Singlemode, Option 12
Table 1–112: Optical Signal Characteristics (1625 nm Singlemode, Option 12)
Characteristic Performance Requirement Supplemental Information
Displayed Pulsewidth Measured between the -3.0 dB
points relative to the top of the
pulse.
3200, 2000,1000, 500, 200, 100,
50, 20, 10, 5, 1 meters
Pulse Repetition Rate (Range)
240 km
160 km
80 km
40 km
20 km
10 km
5 km
2 km
1 km
Minimum specified values:
2400 m s
1600 m s
800 m s
400 m s
200 m s
100 m s
50 m s
20 m s
10 m s
Optical Output, Wavelength 1625 ±20 nm Spectral mean or centerĆofĆmass
provided by laser manufacturer.
Optical Output, Spectral Width 10 nm
RMS value of spectral energy is
timeĆaveraged mode from series of
pulses.
Optical Output, Amplitude Measured at peak value emitted
from front panel connector into 9
µ
m, NA=0.1, SM fiber.
100 mW maximum.
Laser Product Safety Classification CFR Class
I
and IEC Class 1 Per FDA and IEC.
Temperature Coefficient of Laser
Wavelength (0.4 nm/
o
C) x (T -25
o
C) typical.