Agilent 86146B Optical Spectrum Analyzer Technical Specifications

Agilent 86146B Optical Spectrum Analyzer Technical Specifications
Agilent 86146B
Optical Spectrum Analyzer
Technical Specifications
November 2005
• Full-Feature Optical Spectrum Analyzer
Exhibits excellent speed and dynamic range with
convenient and powerful user interface.
• Filter Mode
Wavelength - filtered signal can be coupled to a
single-mode fiber output for tunable-filter and
channel-drop applications.
• Dispersion penalty calculation
Dispersion Penalty calculation software combines
86146B and 86100C to measure time-resolved
chirp and calculate dispersion penalty.
Specifications
Characteristics and Specifications
The distinction between specifications and characteristics is described as follows:
• Specifications describe warranted performance.
• Characteristics provide useful, but non-warranted information about the functions and performance of the instrument.
The specifications apply to all functions, with video bandwidth autocoupled, over the temperature range 0 to 55° C and
relative humidity <95% (unless otherwise noted).
All specifications apply after the instrument’s temperature has been stabilized after 1hour continuous operation and the
auto-align routine has been run. Unless otherwise noted, specifications apply without USER CAL.
Standard operation mode (not filter mode)
T(#) indicates temperature range and dependence.
Wavelength
Agilent 86146B
Range
Reproducibility
Span Range
600 nm to 1700 nm
±0.002 nm
0.2 nm to full range and zero
span
Accuracy
After calibration with internal source
and with enhanced wavelength
calibration for specified range.
1480-1570 nm
1570-1620 nm
After calibration with external reference
source(s)
±10 nm of calibration reference point(s)
After user calibration over full
wavelength range (600-1700 nm)
Absolute Accuracy
Tuning Repeatability
Span Linearity
1525-1570 nm
for spans <40 nm
Notes
With applied input fiber 9/125 µm; ≤ 1min
At room temp; with applied input fiber 9/125 µm
Typ ±0.01 nm
Typ ±0.025 nm
At room temp, with applied input fiber 9/125 µm
Typ ±0.01 nm
±0.2 nm
±0.5 nm
±0.002 nm
Typ ±0.01 nm,
Typ ±0.02 nm
T(20-30°C),
with applied input fiber 9/125 µm
Factory cal. 2 yr. cycle;
T(20-30°C); with applied input fiber 9/125 µm
With applied input fiber 9/125 µm; ≤ 1min
T(20-30°C);
with applied input fiber 9/125 µm
Resolution Bandwidth (RBW)
FWHM (3 dB Bandwidth)
Noise Marker Bandwidth Accuracy
using noise markers 1525-1610 nm
≥0.5 nm
0.2 nm
0.1 nm
0.06 nm
0.06, 0.07, 0.1, 0.14, 0.2, 0.33,
0.5, 1, 2, 5, 10 nm
±2%
±3%
±7%
±12%
Page 2 of 10
Resolution of 10 nm is available for first order
grating response only; with applied input fiber
9/125 µm
T(20-30°C)
Amplitude
Agilent 86146B
Sensitivity
600-750 nm
750-900 nm
900-1250 nm
1250-1610 nm
1610-1700 nm
Maximum Measurement Power
1525-1700 nm
-60dBm
-75 dBm
-75 dBm
-90 dBm
-80 dBm
Notes
Sensitivity is defined as signal value > 6 x RMS
noise value.
T(0-30°C), 2nd order
T(0-30°C)
T(20-30°C)
Resolution bandwidth setting < channel spacing.
Typ +15 dBm per channel,
+30 dBm total
600-1000 nm
Typ +15 dBm per channel,
1000-1525 nm
Typ +12 dBm per channel,
+30 dBm total
+30 dBm total
Maximum Safe Power
Total safe power
Total power within any 10 nm
portion of the spectrum
Absolute Accuracy
at –20dBm, 1310 nm/1550 nm
+30 dBm
+23 dBm
± 0.5 dB
Scale Fidelity
Autorange off
Autorange on
Display Scale (log scale)
Amplitude Stability
(1310 nm, 1550 nm),
1 minute
15 minutes
Flatness
1290-1610 nm
1250-1610 nm
Polarization Dependence
1310 nm
1530 nm, 1565 nm
1600 nm
1250-1650 nm
± 0.05 dB
± 0.07 dB
0.01-20 dB/DIV, -120 to +90
dBm
For resolution ≥ 0.1 nm, with applied input fiber
9/125 µm
Excluding amplitude errors at low power levels
due to noise,
T(20-30°C), with applied input fiber 9/125 µm
For signals within 8 dB of top of screen, with
applied input fiber 9/125 µm
±0.01 dB
±0.02 dB
±0.2 dB
±0.7 dB
±0.12 dB
±0.05 dB
±0.08 dB
±0.25 dB
Typ., with applied input fiber 9/125 µm
With applied input fiber 9/125 µm
Absorption of light by atmospheric moisture
affects flatness at 1350-1420 nm
For resolution ≥0.2 nm, at room temp, with
applied input fiber 9/125 µm
Dynamic Range
Excluding multiple order grating response,
With applied input fiber 9/125 µm
In 0.1 nm Resolution Bandwidth
1550 nm
at ±0.8 nm (±100 GHz at 1550 nm)
at ±0.5 nm (±62.5 GHz at 1550 nm)
at ±0.4 nm (±50 GHz at 1550 nm)
at ±0.2 nm (±25 GHz at 1550 nm)
Monochromator Input
Input Return Loss
Straight connector (9/125 µm)
-60 dB
-58 dB
-55 dB
Typ -40 dB
Agilent 86146B
>35 dB
Page 3 of 10
Average of all states of polarization
Notes
Depends on the quality of the attached connector;
With applied 9/125 µm straight connector
Sweep
Max. Sweep Rate
Max. Sampling Rate in Zero Span
Sweep Cycle Time
50 nm span, auto zero off
50 nm span, auto zero on
100 nm span
500 nm span
ADC Trigger Accuracy
Jitter (distributed uniformly)
Trigger delay range
Typ 40 nm/56.3 ms
Typ 50 µs/trace point
Typ < 180 ms
Typ < 340 ms
Typ < 400 ms
Typ < 650 ms
Typ < ± 0.5 µs
Typ 2 µs-6.5 ms
Pulse Mode Accuracy
Turn On (≥2 µs after rising edge)
Turn Off (≥10 µs after falling edge)
Typ. <±0.2 dB
Typ. <±0.2 dB
(starting from dark)
(30 dB extinction)
Operation using Filter Mode
Insertion Loss Stability
1550 nm,15 minutes
0.5 dB
Immediately following enhanced single
point auto align, at constant temperature
Insertion Loss
1550 nm
Typ. 10 dB
At room temperature
Filter Bandwidth: (From 1530 nm to 1610 nm)
0.5 dB
RBW Nominal Setting
0.04 nm
0.05 nm
0.07 nm
0.1 nm
0.2 nm
0.3 nm
0.5 nm
Typ 0.016
Typ 0.019
Typ 0.033
Typ 0.076
Typ 0.134
Typ 0.257
Typ 0.421
1.0 dB
Actual Bandwidth (nm)
Typ 0.023
Typ 0.026
Typ 0.044
Typ 0.089
Typ 0.147
Typ 0.270
Typ 0.434
±20%
3.0 dB
Typ 0.039
Typ 0.045
Typ 0.063
Typ 0.115
Typ 0.173
Typ 0.297
Typ 0.460
Filter Bandwidth: Adjacent Channel Rejection (at 1550 nm)*
12.5 GHz
25 GHz
±0.1 nm
±0.2 nm
0.04 nm
Typ 40 dB
Typ 50 dB
Typ 40 dB
Typ 50 dB
0.05 nm
Typ 50 dB
N/A
0.07 nm
Typ 40 dB
N/A
0.1 nm
Typ 40 dB
N/A
0.2 nm
N/A
N/A
0.3 nm
N/A
N/A
0.5 nm
*Adjacent Channel Rejection limited to 60 dB below total integrated power
50 GHz
±0.4 nm
Typ 55 dB
Typ 55 dB
Typ 55 dB
Typ 50 dB
Typ 45 dB
Typ 45 dB
Typ 45 dB
100 GHz
±0.8 nm
Typ 55 dB
Typ 55 dB
Typ 55 dB
Typ 55 dB
Typ 55 dB
Typ 55 dB
Typ 50 dB
Filter Bandwidth: Polarization Dependence
1550 nm
Typ ±0.2 dB
for 0.2 nm filter bandwidth and greater, at room temperature
Page 4 of 10
Computer Interfacing
Remote Control
Compatibility
Interfaces
Floppy Disk
Data export
Graphics export
Instrument Drivers
Agilent 86146B
Web enabled controls
IEEE-488.1, IEEE-488-2 (100%)
LAN, GPIB, Parallel Printer Port, External
VGA Monitor, Keyboard and Mouse (PS/2)
3,5” 1.44 MB, MS-DOS
Spreadsheet and Word Processor
Compatible (CSV ASCII)
CGM, PCL, GIF
Universal Instrument Drivers (PNP),
Compatible with VEE, Labview, Visual Basic
and C++
Notes
MS-DOS is a U.S. registered
trademark of Microsoft
Corporation
Labview is a U.S. registered
trademark of National
Instruments.
General Specifications
Dimensions
Weight
Environmental
Temperature*
Humidity
EMI
222mm high x 425mm wide x 427 mm long
16.5 kg
Operating 0°C to 55°C, Storage –40°C to 70°C
Operating <95% RH, Storage: Noncondensing
Conducted and radiated interference is in compliance with CISPR pub 11,
IEC 801-3, IEC 801-4 and IEC 555-2
Power Requirements
Voltage and frequency
Maximum power consumption
90 Vac to 260 Vac, 44 to 444 Hz
230W
*Floppy disk and printer operating temperature range 0°C to 45°C
Page 5 of 10
Options and Accessories
Agilent 86146B
86146B-001
86146B-002
86146B-004
86146B-006
Included
Included
Included
Included
FC/PC: 81000FI
SC/PC: 81000KI
DIN: 81000SI
ST: 81000VI
E2000: 81000PI
LC: 81002LI
MU: 81002MI
Included
Options (available on new instruments only)
Current Source
White Light Source *
Built-in 1310 & 1550 nm EELED Source *
Wavelength Calibrator
DWDM Spectral Analysis Application
Passive Component Test Application
Amplifier Test Application
Source Test Application
Connector Interface
Certificate of Calibration
* 86146B-002 and 004 are exclusive.
OSA Fiber Sizes
Model
Number
Optical
Input
86146B
9 µm
86146B-002*
(White Light
Source)
62.5 µm
86146B-004*
(1310/1550
EELED)
9 µm
* 86146B-002 and 004 are exclusive.
Page 6 of 10
86146B-006
(Calibrator)
Photodiode
Input
Mono
Output 1
9 µm
50 µm
9 µm
Options and Accessories: Specifications
Agilent 86146B
86146B-001 Current Source
0 to ±200 mA (source or sink)
Typ 50 µA steps
2% ±50 µA
±2.7 V
Typ <4 nA/√Hz
Typ <100 ppm ±500 nA
Typ <(100 ppm ±500 nA)/K
Range
Resolution
Accuracy
Clamp Voltage (nominal)
Noise Density at 1 kHz
Stability Within 30 Minutes
Temperature Drift
Pulse Mode
Pulse Range
Pulse Resolution
Duty Cycle Range
10 µs to 6.5 ms
100 ns
Pulse width/1 s to 100%
86146B-002 White Light Source
Wavelength*
Minimum Output Power Spectral Density**
(9/125 µm fiber)
900 to 1600 nm
900 to 1600 nm
1600 to 1700 nm
Minimum Output Power Spectral Density***
50/125 µm fiber
62.5/125 µm fiber
Output Stability**
Lamp Lifetime, Mean Time Between
Failures**
(MTBF)
900 nm to 1700 nm
-67 dBm/nm (0.2 nW/nm)
Typ -64 dBm/nm (0.4 nW/nm)
-70 dBm/nm (0.1 nW/nm)
Typ -50 dBm/nm (10 nW/nm)
Typ -46 dBm/nm (25 nW/nm)
Typ ±0.02 dB over 10 minutes
Typ >5000 hours
* filtered below 850 nm
** with applied input fiber 9/125µm
*** typ; includes power in full numerical aperture of fiber
86146B-004 EELED Sources
Minimum Spectral Power Density
1300 to 1320 nm, 1540 to 1560 nm
1250 to 1620 nm
Return Loss
With straight connector
Stability (ambient temp. <±1°C)
Over 15 minutes
Over 6 hours
>-40 dBm/nm (10nW/nm)
Typ >-60 dBm/nm (1nW/nm)
Typ >25 dB
Typ <±0.02 dB
Typ <±0.05 dB
Page 7 of 10
86146B-006 Wavelength Calibrator
Figure 1: Wavelength calibrator block
Figure 2: Wavelength calibrator absorption spectrum
The wavelength calibrator option provides an onboard wavelength reference that can be used to automatically
calibrate the optical spectrum analyzer. The calibrator is based on an EELED and an Acetylene gas absorption
cell, Figure 1. The Acetylene absorbs light at very specific wavelengths based on the molecular properties of gas.
The cell is illuminated by an EELED and the OSA uses the absorption pits to perform a wavelength calibration,
Figure 2. Since the absorption of the Acetylene gas is a physical constant it never needs calibrating.
The wavelength calibrator enhances the OSA to achieve better than ±10 pm wavelength accuracy and removes
the need to use a tunable laser source and multi-wavelength meter as an external reference.
Agilent 86146B
9270-1370
See Agilent 81000 series
Standard
86146B-AX4
9211-2657
Standard
Additional Parts and Accessories
Printer Paper (5 rolls / box)
Additional Connector Interfaces
9 µm Single Mode Connector Saver
Rack-mount Flange Kit
Transit Case
BenchLink Lightwave Software*
* Agilent N1031A BenchLink Lightwave allows transfer of measurement results over a GPIB Interface to a PC for the purposes of archiving, printing and
further analysis. Not usable with Windows XP.
Page 8 of 10
Definition of Terms
Wavelength
•
Absolute Accuracy (after user cal) refers to the wavelength accuracy after the user has performed the
internal wavelength calibration using a source of known wavelength.
•
Reproducibility refers to the amount of wavelength drift, which can occur over the specified time while
the OSA is swept across a source of known wavelength.
•
Tuning Repeatability refers to the wavelength accuracy of returning to a wavelength after having tuned
to a different wavelength.
Resolution
•
FWHM refers to the Full-Width-Half-Maximum resolutions that are available. This indicates the width at
half power level of the signal after passing through the resolution slits.
Amplitude
•
Scale Fidelity refers to the potential errors in amplitude readout at amplitudes other than at the
calibration point. This specification is sometimes called linearity.
•
Flatness defines a floating band, which describes the error in signal amplitude over the indicated
wavelength range. (This error may be removed at a given wavelength by performing the user amplitude
calibration).
•
Polarization Dependence refers to the amplitude change that can be seen by varying the polarization of
the light entering the OSA. This is not to be confused with amplitude variations caused by the varying
distribution of energy between the different modes in fiber that are multimode at the wavelength of
interest.
Sensitivity
•
Sensitivity is defined as the signal level that is equal to six times the RMS value of the noise. Displayed
sensitivity values are nominal. Slightly lower values may have to be entered to achieve specified
sensitivity.
Dynamic Range
•
Dynamic Range is a measure of the ability to see low-level signals that are located very close
(in wavelength) to a stronger signal. In electrical spectrum analyzers, this characteristic is generally
called shape factor.
Sweep Time
•
Maximum Sweep Rate refers to the maximum rate that the instrument is able to acquire data and
display it. This rate may be limited by multiple internal processes when using default number of trace
points.
•
Sweep Cycle Time refers to the time required to make a complete sweep and prepare for the next
sweep. It can be measured as the time from the start of one sweep to the start of the next sweep.
Page 9 of 10
Agilent Technologies Test and Measurement Support, Services, and Assistance
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By Internet, phone, or fax, get assistance with all your test & measurement needs
Online assistance:
www.agilent.com/comms/lightwave
Phone or Fax
United States:
(tel) 1 800 829 4444
(fax) 1 800 829 4433
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(tel) 1 877 894 4414
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Product specifications and descriptions in this document subject to change without notice.
Copyright © 2005 Agilent Technologies
November 24, 2005
5989-4403EN
Related Agilent Literature
http://www.agilent.com/comms/octspectral
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