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Part: 2B455
Category:
Optoelectronics
-> Display
-> Laser Diodes
Description: Vcsel Laser Diode ( Datacom )
Company: Mitel Networks Corporation
Datasheet: Download 2B455 datasheet File size : 150 kB
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Datasheet text preview:
PRODUCT INFORMATION PRODUCT
840nm
2B455
VCSEL Laser Diode
Datacom
T h i s Vertical Cavity SurfaceEmitting Laser is designed for Fibre Channel, Gigabit Ethernet, ATM and general applications. It incorporates a p h o t o d i o d e to monitor the optical power and allow for feedback control.
Optical and Electrical Characteristics
PARAMETER SYMBOL MIN. TYP . MAX. UNIT
(25° C Case Temperature) TEST CONDITION
Fiber-Coupled Power Optical Power Slope Efficiency
(dPo/dIF)
Pfiber Po
1.3 0.9 1.7 3.0
mW mW
IF =12mA (Note 1) IF =12mA
200 15
fc
p
mW/A IF =12mA deg GHz 860 1 2.2 6 nm nm V mA A 30 nA IF =12mA, VR>1V VR=5V Full Width at 1/e2 IF =12mA IF =12mA IF =12mA IF =12mA
Beam Divergence Bandwidth
(3 dBel )
2 830 840 0.5
Peak Wavelength Spectral Width (FWHM) Forward Voltage (Fig.5) Threshold Current Monitor Current Monitor Dark Current Relative Intensity Noise
VF Ith Im Id RIN 20
1.9 3.5 30
-130
dB/Hz IF =12mA, f=1 GHz
Note 1: Fiber: 50/125 Graded Index, NA=0.2 or 62.5/125 Graded Index, NA=0.275. An external glass ball lens with 2 mm diameter is required.
Ø 4.7 Ø2.55
Absolute Maximum Ratings
PARAMETER SYMBOL LIMIT
3.575
Storage Temperature Operating Temperature (derating: Fig.4)
14
Tstg Top Ptot IF IFRM VR Tsld
-55 to +125 C 0 to +70 C 35 mW 15 mA 25 mA 1.5 V 260 C
Electrical Power Dissipation (derating: Fig.4)
0.4
VCSEL Cathode MONITOR Anode
Continuous Forward Current (f 10 kHz) Peak Forward Current (duty cycle 50%, f 1 MHz)
All dimensions in mm
VCSEL
Anode
MONITOR
Cathode
VCSEL Reverse Voltage Soldering Temperature (2mm from the case for 10 sec)
2.5 5.47 CASE NOT CONNECTED
BOTTOM VIEW
Thermal Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
TO-46 Package With Flat Window
Thermal Resistance - Infinite Heat Sink
WARNING: Laser Radiation, avoid exposure to beam. Class 3B laser product, potential eye hazard. Warning labels in each box.
Rthjc Rthja d /dTj P Ith
500 800 0.06 0.7 0.6
C/W C/W nm/ C dB mA
Thermal Resistance - No Heat Sink Temp. Coefficient -W velength a Optical Power - Variation 0 to 70 C
13590.11 1999-04-01
Threshold Current - Variation 0 to 70 C
Europe: Tel (46 ) 8 58 02 45 00 Fax (46 ) 8 58 02 01 10 Tel (44) 1291 436180 Fax (44) 1291 436771
America: Tel 1-800-96MITEL Fax (613) 592-6909 Asia: Tel (65) 293 5312 Fax (65) 293 8527
VCSEL Laser Diode
2B455
840nm
%
120
PIo URE T F G vs 1
RELATIVE THRESHOLD CURRENT
%
120
Ith vs T FIGURE 2
%
100
FIGURE 3 Po vs If
100
100
80
RELATIVE OPTICAL POWER
80
80
RELATIVE OPTICAL POWER
0 20 40 60 80 100 C
60
60
60
40
40
40
20
20 0 20 40 60 80 100 C
20
0 0 4 8 12 16 20 mA
OPERATING TEMPERATURE
OPERATING TEMPERATURE
FORWARD CURRENT
mA
20
If
vs
Vf
MAX. ELECTRICAL POWER DISSIPATION
mW
50
F el vs 5 PIGURE T
40
INFINITE HEAT SINK
FORWARD CURRENT
30
10
20
NO HEAT SINK
10
0 0 1 2 3V
0 0 20 40 60 80 100 C
FORWARD VOLTAGE
OPERATING TEMPERATURE
% 100
Fo vs 4 PIGURE U
Functional Schematic
VCSEL CATHODE COMMON WITH MONITOR ANODE
RELATIVE OPTICAL POWER
50
VCSEL
MONITOR
VCSEL ANODE
MONITOR CATHODE
0 -15
-10
-5
0
+5
+10
+15
EMISSION ANGLE
FUNCTIONAL SCHEMATIC
h t t p : / / w w w. m i t e l s e m i . c o m
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Infor mation relating to products and services furnished herein by Mitel Corporation or its subsidiaries (collectively "Mitel") is believed to be reliable. However, Mitel assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of patents or other intellectual property rights owned by third parties which may result from such application or use. Neither the supply of such information or purchase of product or ser vice conveys any license, either express or implied, under patents or other intellectual property rights owned by Mitel or licensed from third parties by Mitel, whatsoever. Purchasers of products are also hereby notified that the use of product in certain ways or in combination with Mitel, or non-Mitel furnished goods or services may infringe patents or other intellectual property rights owned by Mitel. This publication is issued to provide information only and (unless agreed by Mitel in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this publication are subject to change by Mitel without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or ser vice. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific piece of equipment. It is the user's responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. Manufacturing does not necessarily include testing of all functions or parameters. These products are not suitable for use in any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to Mitel's conditions of sale which are available on request.
M Mitel (design) and ST-BUS are registered trademarks of MITEL Corporation Mitel Semiconductor is an ISO 9001 Registered Company Copyright 1999 MITEL Corporation All Rights Reserved Printed in CANADA TECHNICAL DOCUMENTATION - NOT FOR RESALE
Others parts begin by 2b
2B-1
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