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Data Sheet
980nm Pump Laser Module Grating Stabilized, 400mW LC95
These lasers are designed as pump sources for ErbiumDoped Fiber Amplifier (EDFA) applications. Processes and techniques of coupling the fiber to the laser allow high output powers that are very stable with both time and temperature. The grating is located in the pigtail to stabilize the wavelength. Devices are available with kink free output powers to 400mW. The LC95 series pump module utilises a double Fiber Bragg Grating design for enhanced wavelength and power stability performance. This product has been designed to ensure superior wavelength locking over drive current, temperature and optical feedback changes. Features: * Double Fiber Bragg Grating wavelength stabilization * High output power, up to 400mW kink free * Single-mode fiber pigtail * Internal thermoelectric heatpump and monitor photodiode * Hermetically sealed 14-pin butterfly package * Telcordia GR-468-CORE compliant * Field proven high reliability * RoHS compliant
Applications: * Low noise EDFAs * Dense wavelength division multiplexing (DWDM) EDFAs * CATV Applications
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Data Sheet
Characteristics
Conditions unless otherwise stated: Case temperature -20 to +75C Submount temperature 25C Monitor diode bias -5V CW operation
Kink-free fiber-coupled output power: (wavelength = 974nm)
LC95A74-20R LC95B74-20R LC95C74-20R LC95D74-20R LC95E74-20R LC95F74-20R
300mW 310mW 320mW 330mW 340mW 350mW
LC95G74-20R LC95H74-20R LC95J74-20R LC95K74-20R LC95L74-20R
360mW 370mW 380mW 390mW 400mW
Parameter Threshold current (Ith) Operating drive current (If) Forward voltage Centre wavelength (l ) c Spectral width (RMS @ -13dB) Spectrum stability (t = 60s) Temperature dependence of peak wavelength Wavelength tolerance Monitor detector responsivity Monitor dark current Thermistor resistance (at 25C) Intended laser submount operating temperature Power Stability Peak-to-peak, t = 60s, DC to 50kHz sampling, Tc = 25C >20mW 10 - 20mW 3.5 - 10mW Heatpump current (T = 50C, If = 700mA) Heatpump voltage (T = 50C, If = 700mA) A thru F G thru L
Min
Typ 35
Max 45 650 700
Unit mA mA V nm
1.9 974 0.2
2.5
1 0.2 0.02 0.5
nm nm nm/C nm A/mW nA k C
1.0
8
25 50
9.5 20
10 25
10.5 30
0.2 0.5 1 1.5 2.8
dB dB dB A V
Product with a tight fibre power Tracking Error specification is available on request.
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Data Sheet
Absolute Maximum Ratings
Parameter Operating temperature Storage temperature Laser forward current Laser reverse voltage Heatpump current Lead soldering temperature (10s max) Fibre bend radius 30 Min -20 -40 Max 75 85 1000 2 1.8 260 Unit C C mA V A C mm
Package Outline Drawing and Dimensions
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Fiber Specification
Puremode HI980 or equivalent 250m primary coated.
Data Sheet
Connections
Pin # 1 2 3 4 5 6 7 Description Peltier cooler (+) Thermistor Monitor anode (-) Monitor cathode (+) Thermistor Not connected Not connected Pin # 8 9 10 11 12 13 14 Description Not connected Not connected Laser anode (+) Laser cathode (-) Not connected Case ground Peltier cooler (-)
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6
5
4
3
2
1
8
9 10 11 12 13 14
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Data Sheet
RoHS Compliance
Bookham is fully committed to environment protection and sustainable development and has set in place a comprehensive program for removing polluting and hazardous substances from all of its products. The relevant evidence of RoHS compliance is held as part of our controlled documentation for each of our compliant products. RoHS compliance parts are available to order, please refer to the ordering information section for further details.
Ordering Information: LC95A74-20R LC95B74-20R LC95C74-20R LC95D74-20R LC95E74-20R LC95F74-20A 300mW 310mW 320mW 330mW 340mW 350mW LC95G74-20R LC95H74-20R LC95J74-20R LC95K74-20R LC95L74-20R 360mW 370mW 380mW 390mW 400mW
Contact Information
North America Bookham Worldwide Headquarters
2584 Junction Ave. San Jose CA 95134 USA * Tel: +1 408 919 1500 * Fax: +1 408 919 6083
Europe Paignton Office
Brixham Road Paignton Devon TQ4 7BE United Kingdom * Tel: +44 (0) 1803 66 2000 * Fax: +44 (0) 1803 66 2801
Asia Shenzhen Office
2 Phoenix Road Futian Free Trade Zone Shenzhen 518038 China * Tel: +86 755 33305888 * Fax: +86 755 33305805 +86 755 33305807
Important Notice Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by Bookham before they become applicable to any particular order or contract. In accordance with the Bookham policy of continuous improvement specifications may change without notice. The publication of information in this data sheet does not imply freedom from patent or other protective rights of Bookham or others. Further details are available from any Bookham sales representative.
www.bookham.com sales@bookham.com
INVISIBLE LASER RADIATION AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION CLASS 4 LASER PRODUCT Maximum Power >500mW Wavelength >970nm REFERENCE IEC 60825-1 Edition 1.2
LASER RADIATION - AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION
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MAX POWER > 500mW WAVELENGTH > 970nm CLASS IV LASER PRODUCT
THIS PRODUCT COMPLIES WITH 21CFR 1040.10
Caution - use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
ISO14001:1996 EMS 504193 TL9000 Rev 3.0 (ISO9001:2000) FM15040
BH12842 Rev 3.0 March 2007. (c)Bookham 2006. Bookham is a registered trademark of Bookham Inc.

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