Optical Component Test
452 Lightwave Measurement System, Tunable Lasers
HP 8164A
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• Mode-hop free tuning at continuous power
• Built-in wavelength control loop
• Output power up to +8 dBm
• Ultra low source spontaneous emission output
HP 8164A
The HP 8164A—A New Platform for the Test of
Fiber Optic Components
The HP 8164A Lightwave Measurement System supports a whole range
of tunable laser modules and all modules of the HP 8153A and HP 8163A
Lightwave Multimeter series. The HP 8164A mainframe features
connectivity to a wide range of controlling equipment through GPIB,
RS-232C and PC Card interface. Configurable hardware input and output trigger ports complete the HP 8164A’s ability to operate in an automated test environment. A 3.5" floppy drive, VGA port, keyboard
connector and parallel printer port are included.
• Tunable lasers for all gain bands
• The HP 81680A and 81682A modules operate in the 1550 nm band
whereas the HP 81640A covers the wavelength range from 1500 nm
to 1640 nm.
• Optimum tuning precision for the test of critical dense-WDM devices
The HP 81640A, 81680A and 81682A Tunable Laser modules with
their built-in wavelength control loop push today’s performance limits.
As they are all mode-hop free tunable with continuous output power,
they qualify for the test of the most critical DWDM components. All
three modules fit into the bottom slot of the HP 8164A mainframe.
Polarization Maintaining Fiber for the Test of
Integrated Optical Devices
The HP 81640A, 81680A and 81682A modules are ideally constructed to
characterize integrated optical devices. Their Panda PMF output ports
provide a well-defined state of polarization to ensure constant measurement conditions on waveguide devices. A PMF cable easily connects an
external optical modulator.
Test of Optical Amplifiers and Passive Components
The HP 81682A Tunable Laser module provides the high stimulus
power needed to test today’s optical amplifiers. An optional, built-in optical attenuator allows an output power dynamic of more than 60 dB. Its
excellent wavelength precision makes it a multi-purpose instrument for
all kinds of component test.
Compact Module for Multichannel Test
A variable amount of the compact, yet fully remote controlled
HP 81689A Tunable Laser modules, in combination with the HP 81682A
high power Tunable Laser, is the ideal solution to characterize optical
amplifiers for use in dense-WDM applications. Furthermore the
HP 81689A allows a realistic multi-channel test bed for dense WDM
transmission systems to be set up.
Its continuous, mode-hop free tuning makes it quick and easy to
set even the most complex configurations to the target wavelengths and
power levels, just by dialing or using the vernier keys. The HP 81689A is
available with both standard single-mode fiber and Panda-type PMF.
Each HP 8164A mainframe can host up to four units of the
HP 81689A in its upper slots. The HP 8166A Lightwave Multichannel
System mainframe, however, allows you to combine up to 17 of the compact tunable laser modules in a single frame.
Smart Tunable Loss Test Set
Inserted into the HP 8163A Lightwave Multimeter mainframe, together
with a power meter module the HP 81689A compact tunable laser forms
a smart, por table loss test set. Its tunability allows devices and links at
all wavelengths in the DWDM window to be checked.
Low Spontaneous Emission for Maximum
Measurement Range
The HP 81640A and 81680A tunable laser modules are equipped with
two optical outputs. One output port delivers a signal with ultra-low
source spontaneous emission (SSE). It enables accurate crosstalk measurement of dense-WDM system components with many channels at
narrow spacing. A power meter module alone is suf ficient to characterize steep notch filters such as Fiber Bragg Gratings.
The second output port provides increased optical power and allows
adjustment by more than 60 dB through a built-in optical attenuator.
Optical Component Test
Specifications
Specifications describe the instrument’s warranted performance. They
are measured at the end of a 2 m long patchcord and are valid for the
output power and wavelength ranges as stated below. Supplementary
performance characteristics provide information about non-warranted
instrument performance in the form of nominal values, and are printed in
italic typeface.
HP 81680A HP 81640A HP 81682A HP 81689A
Primary Application To-the-limits-test of critical Test of critical components Test of critical amplifiers Multiple channel test of
Wavelength Range 1460 to 1580 nm 1500 to 1640 nm 1460 to 1580 nm 1525 to 1575 nm
Absolute Wavelength Accuracy ± 0.01 nm ± 0.015 nm ± 0.01 nm ± 0.3 nm, typical
Relative Wavelength Accuracy ± 5 pm (± 2 pm, typical) ± 7 pm (± 3 pm, typical) ± 5 pm (± 2 pm, typical) ± 0.3 nm
Wavelength Resolution 0.1 pm 0.1 pm 0.1 pm 10 pm
Signal to Source Spontaneous 63 dB/ nm (output 1) 60 dB/ nm (output 1) 45 dB/ nm 40 dB/ nm, typical
Emission Ratio 45 dB/ nm (output 2) 45 dB/ nm (output 2)
Signal to Total Source 60 dB (output 1) 30 dB 55 dB (output 1) 27 dB 30 dB, typical –
Spontaneous Emission Ratio (output 2, typical) (output 2, typical)
Maximum Output Power –6 dBm (output 1) –7 dBm (output 1) +6 dBm +6 dBm
Maximum Output Power –4 dBm (output 1) –5 dBm (output 1) +8 dBm –
(Peak, Typical) +6 dBm (output 2) +4 dBm (output 2)
For further details, please contact your HP representative and ask for literature number 5968-0063E (technical specifications).
DWDM components in both DWDM bands and passive components optical amplifiers and
+5 dBm (output 2) +2 dBm (output 2) (1520–1570 nm) (1525–1575 nm)
(1520–1570 nm) (1530–1610 nm)
transmission systems,
compact form factor
453Lightwave Measurement System, Tunable Lasers
Ordering Information
HP 8164A Lightwave Measurement System (mainframe)
HP 8166A Lightwave Multichannel System (mainframe)
HP 81640A Tunable Laser Module, ±3 pm, Low SSE, 1600 nm
HP 81645A Filler Module
HP 81680A Tunable Laser Module, ± 2 pm, Low SSE, 1550 nm
HP 81682A Tunable Laser Module, +8 dBm, 1550 nm
Option 003 Built-in Optical Attenuator with 60 dB
attenuation range (available with HP 81682A only,
reduces max. output by 1.5 dB)
HP 81689A Compact Tunable Laser Module, +6 dBm, 1550 nm
Tunable laser must be ordered with one connector option:
Option 021 Single mode fiber, straight contact
connector (available with HP 81689A)
Option 022 Single mode fiber, angled contact
connector (available with HP 81689A)
Option 071 Polarization Maintaining Fiber,
straight contact connector
Option 072 Polarization Maintaining Fiber, angled
contact connector
a
one HP Series 81000xI Connector Interface is required; see page 454
b
two HP Series 81000xI Connector Interfaces are required; see page 454
a
a
b
a
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Internet URL www.hp.com/go/tmc00 Product & Order Info See page 607
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