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HL6740FG
Dual Beam Visible Laser Diode
Description
The HL6740FG is a 0.67 m band AlGaInP laser diode with a multi-quantum well (MQW) structure. It is an array of two individual beams on one chip. Therefore, it is suitable as a light source for a high-speed printer, such as PPC and LBP, and so on. ODE-208-024 (Z) Rev.0 Feb. 24, 2006
Features
* Continuous operating output to each beam: 5 mW CW * Visible light output: 675 nm Typ * Difference of wavelength between 2 beams : 3 nm Max * Low threshold current: 35 mA Typ
Package Type * HL6740FG: FG
Internal Circuit
1 4 3
LDB PD
LDA
2
Absolute Maximum Ratings
(TC = 25C)
Item Optical output power Pulse optical output power LD reverse voltage PD reverse voltage Operating temperature Storage temperature Symbol PO PO(pulse) VR(LD) VR(PD) Topr Tstg Ratings 5 6* 2 30 -10 to +50 -40 to +85 Unit mW mW V V C C
Note: Pulse condition : Pulse width 1 s, duty 50%
Optical and Electrical Characteristics
(TC = 25C)
Item Threshold current LD Operating current LD Operating voltage Slope efficiency Beam divergence parallel to the junction Beam divergence perpendicular to the junction Lasing wavelength Difference of wavelength * Monitor current
2
Symbol Ith IOP VOP s // p p Is
Min -- -- -- 0.2 6.5 20 665 -- 1.0
Typ 35 -- 2.3 0.4 8 30 675 -- --
Max 50 75 2.7 0.6 11 36 680 3.0 4.0
Unit mA mA V mW/mA nm nm mA
Test Conditions -- PO = 5 mW PO = 5 mW 3 (mW) / (I(4mW) - I(1mW)) PO = 5 mW PO = 5 mW PO = 5 mW PO = 5 mW PO = 5 mW, VR(RD) = 5V
Notes: 1. The characteristics are specified under the condition of a single beam operation unless otherwise specified. 2. p is specified as absolute value of the difference between two beams operated every beam.
Rev.0 Feb. 24, 2006 page 1 of 4
HL6740FG
Typical Characteristic Curves
Optical Output Power vs. Forward Current 5
Optical output power, PO (mW)
Threshold Current vs. Case Temperature 100
Threshold current, Ith (mA)
TC = 10C 4 3 TC = 50C 2 1 0 TC = 25C
50
20
0
20 40 60 80 Forward current, IF (mA)
100
10
0
10
20
30
40
50
Case temperature, TC (C)
Slope Efficiency vs. Case Temperature 1
Slope efficiency, s (mW/mA)
Monitor Current vs. Case Temperature 5
Monitor current, IS (mA)
0.8 0.6 0.4 0.2 0
4 3 2 1 0
TC = 25C VR(PD) = 5V
0
10 20 30 40 Case temperature, TC (C)
50
0
10
20
30
40
50
Case temperature, TC (C)
Wavelength vs. Case Temperature 684
Lasing wavelength, p (nm)
682 680 678 676 674 672 670 668 666 664 0
PO = 5 mW
Far Field Pattern Perpendicular
Relative intensity
PO = 5 mW
Parallel
-40 10 20 30 40 50
-20
0 20 Angle, ( )
40
Case temperature, TC (C)
Rev.0 Feb. 24, 2006 page 2 of 4
HL6740FG
Package Dimensions
Unit: mm
9.0 +0 -0.025 1.0 0.1
(0.65)
(90)
7.2 +0.3 -0.2
(0.3)
Glass
6.2 0.2 (2.0)
Emitting Point
3.5 0.2
4 - 0.45 0.1 1 43 (2)
4 1 3
(1.8)
2
2.54 0.35
OPJ Code JEDEC JEITA Mass (reference value)
1.5 0.1
14 1
(2.45)
0.4 +0.1 -0
LD/FG -- -- 1.1 g
Rev.0 Feb. 24, 2006 page 3 of 4
HL6740FG
Cautions
1. Opnext Japan,Inc.(OPJ) neither warrants nor grants licenses of any our rights or any third party's patent, copyright, trademark, or other intellectual property rights for information contained in this document. OPJ bears no responsibility for problems that may arise with third party's rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. OPJ makes every attempt to ensure that its products are of high quality and reliability. However, contact our sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by OPJ particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. OPJ bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-safes, so that the equipment incorporating OPJ product does not cause bodily injury, fire or other consequential damage due to operation of the OPJ product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from OPJ. 7. Contact our sales office for any questions regarding this document or OPJ products. 1. The laser light is harmful to human body especially to eye no matter what directly or indirectly. The laser beam shall be observed or adjusted through infrared camera or equivalent. 2. This product contains gallium arsenide (GaAs), which may seriously endanger your health even at very low doses. Please avoid treatment which may create GaAs powder or gas, such as disassembly or performing chemical experiments, when you handle the product. When disposing of the product, please follow the laws of your country and separate it from other waste such as industrial waste and household garbage. 3. Definition of items shown in this CAS is in accordance with that shown in Opto Device Databook issued by OPJ unless otherwise specified.
Sales Offices
Device Business Unit Opnext Japan, Inc.
Takagi Bldg., 3F, 1-3-9, Iwamoto-cho, Chiyoda-ku, Tokyo 101-0032 Japan Tel: (03) 3865-5591
For the detail of Opnext, Inc., see the following homepage:
Japan (Japanese) Other area (English) http://www.opnext.com/jp/products/ http://www.opnext.com/products/ (c)2007 Opnext Japan, Inc., All rights reserved. Printed in Japan.
Colophon 2.0
Rev.0 Feb. 24, 2006 page 4 of 4

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