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269-C 데이터시트 PDF




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부품번호 269-C 기능
기능 269-Type1480nmPumpLaserModule
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269-C 데이터시트, 핀배열, 회로
Data Sheet
June 2001
269-Type 14xx nm DFB Pump Laser Module
Description
The 269-type DFB pump laser module is designed as a
continuous-wave (CW) optical pump source for erbium-doped
fiber amplifiers.
Features
s Low relative intensity noise (RIN)
s High-coupled rated output power up to 280 mW,
CW
s Wide environmental range
s Field-proven packaging technology
s InGaAsP/InP high-power, strained multiple quan-
tum-well (MQW), distributed-feedback (DFB) laser
chip design
s Internal optical isolator (optional)
s Internal thermoelectric cooler (TEC)
s InGaAs PIN photodetector back-facet monitor
s Single-mode and polarization-maintaining fiber pig-
tails
s Compact, 14-pin butterfly package
s Industry compatible package and pinout
Applications
s Raman pump modules (RPM), copropagating and
counterpropagating
s Erbium-doped fiber amplifiers (EDFA)
The 269-type DFB pump laser module represents a
family of thermoelectrically cooled, high-power
lasers. These devices achieve stable wavelength
performance within the 1420 nm to 1510 nm range,
over the full operating temperature range. They are
designed as continuous-wave (CW) optical pump
sources for dense wavelength-division multiplexing
(DWDM) EDFA and Raman applications operating in
the C- and L-bands.
These new high-power DFB products represent a
breakthrough in 14xx nm pump laser technology by
integrating the beneficial characteristics of an exter-
nal FBG laser design (such as stimulated Brillouin
scattering suppression) with the superior relative-
intensity noise (RIN) performance of a DFB laser.
The combination of both characteristics is critical to
enable copropagating Raman pumping, which dis-
tributes gain over the first few kilometers of the trans-
mission fiber. The typical RIN value Agere Systems’
DFB lasers is –158 dB/Hz, a major improvement over
comparable external FBG-stabilized lasers with a
typical RIN of –125 dB/Hz. Integrating wavelength
stabilization into the chip improves the stabilization
over operating temperature and thereby eliminates
the need for an external FBG .
The laser modules incorporate a high-power, quan-
tum-well laser chip that achieves fiber powers up to
280 mW.
An integral thermoelectric cooler (TEC) stabilizes the
laser at room temperature and, combined with a her-
metic environment, allows the device to achieve
high-power operation over the extended temperature
range of 0 °C to 75 °C. An internal InGaAs PIN pho-
todiode, mounted behind the laser diode, functions
as the laser detector and monitors light emissions
from the rear facet of the laser.
The 269-type DFB module is offered in a 14-pin, her-
metic butterfly package.




269-C pdf, 반도체, 판매, 대치품
269-Type 14xx nm DFB Pump Laser Module
Data Sheet
June 2001
Electrical/Optical Characteristics (continued)
Table 3. TEC and Thermistor Characteristics (All performance parameters are specified for IF, OP, TSET = 25 °C,
unless otherwise specified.)
Parameter
TEC Current:
PO = 120 mW
PO = 130 mW
PO = 140 mW
PO = 150 mW
TEC Current:
PO = 160 mW
PO = 170 mW
PO = 180 mW
PO = 190 mW
PO = 200 mW
TEC Current:
PO = 210 mW
PO = 220 mW
PO = 230 mW
PO = 240 mW
PO = 250 mW
PO = 260 mW
PO = 270 mW
PO = 280 mW
TEC Voltage:
PO = 120 mW
PO = 130 mW
PO = 140 mW
PO = 150 mW
TEC Voltage:
PO = 160 mW
PO = 170 mW
PO = 180 mW
PO = 190 mW
PO = 200 mW
TEC Voltage:
PO = 210 mW
PO = 220 mW
PO = 230 mW
PO = 240 mW
PO = 250 mW
PO = 260 mW
PO = 270 mW
PO = 280 mW
Thermistor Resistance
Themistor B Constant
Symbol
ITEC
ITEC
ITEC
VTEC
VTEC
VTEC
RTHERM
B
Conditions
TSET = 25 °C;
TCASE = 75 °C;
T = 50 °C, EOL
TSET = 25 °C;
TCASE = 70 °C;
T = 45 °C, EOL
TSET = 25 °C;
TCASE = 65 °C;
T = 40 °C, EOL
TSET = 25 °C;
TCASE = 75 °C;
T = 50 °C, EOL
TSET = 25 °C;
TCASE = 70 °C;
T = 45 °C, EOL
TSET = 25 °C;
TCASE = 65 °C;
T = 40 °C, EOL
25 °C Laser Diode
Set Temperature
Min
9.5
3700
Max
1.6
1.6
1.6
1.6
1.7
1.7
1.7
1.7
1.7
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
3.5
3.5
3.5
3.5
3.7
3.7
3.7
3.7
3.7
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
10.5
4100
Unit
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
k
K
4 Agere Systems Inc.

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269-C 전자부품, 판매, 대치품
Data Sheet
June 2001
269-Type 14xx nm DFB Pump Laser Module
Laser Safety Information
Class IIIb Laser Product
FDA/CDRH Class IIIb laser product. All versions are Class IIIb laser products per CDRH, 21 CFR 1040 Laser
Safety requirements. All versions are Class IIIb laser products per IEC * 60825-1:1993. The device has been
classified with the FDA under accession number 8720010.
This product complies with 21 CFR 1040.10 and 1040.11.
8.8 µm/125 µm single-mode fiber pigtail (see Fiber Characteristics, page 5).
Wavelength = 1.40 µm—1.52 µm.
Maximum power = 400 mW.
Because of size constraints, laser safety labeling (including an FDA Class IIIb label) is not affixed to the module but
attached to the outside of the shipping carton.
Product is not shipped with power supply.
Caution: Use of controls, adjustments, and procedures other than those specified herein may result in
hazardous laser radiation exposure.
DANGER
INVISIBLE LASER RADIATION
IS EMITTED FROM THE END
OF FIBER OR CONNECTOR
Avoid direct exposure to beam
Do not view beam directly with
optical instruments
INVISIBLE LASER RADIATION EMITTED FROM END OF FIBER OR CONNECTOR
Avoid exposure to beam
Class 3B Laser Product IEC-60825M 1993 Max. Output: 400 mW Wavelength: 1.40 µm—1.52 µm
* IEC is a registered trademark of The International Electrotechnical Commission.
Agere Systems Inc.
7

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