HL6738MG Visible High Power Laser Diode ADE-208-601C (Z) 4th Edition Dec. 2000 Description The HL6738MG is a 0.68 m band AlGaInP laser diode (LD) with a multi-quantum well (MQW) structure. It is suitable as a light source for large capacity optical disc memories and various other types of optical equipment. Hermetic sealing of the small package ( 5.6 mm) assures high reliability. Application * Optical disc memories * Optical equipment Features * * * * High output power Visible light output Small package Low astigmatism : 35 mW (CW) : p = 680 to 695 nm : 5.6 mm : 6 m Typ (PO = 5 mW) Package Type * HL6738MG: MG Internal Circuit 1 3 PD LD 2 HL6738MG Absolute Maximum Ratings (TC = 25C) Item Symbol Value Unit Optical output power PO 35 mW Pulse optical output power PO(pulse) 50 * mW Laser diode reverse voltage VR(LD) 2 V Photo diode reverse voltage VR(PD) 30 V Operating temperature Topr -10 to +70 C Storage temperature Tstg -40 to +85 C Note: Pulse condition : Pulse width = 100 ns, duty = 50% Optical and Electrical Characteristics (TC = 25C) Item Symbol Min Typ Max Unit Test Conditions Optical output power PO 35 -- -- mW Kink free * Pulse optical output power PO(pulse) 50 -- -- mW Kink free * Threshold current Ith 30 45 70 mA -- Operating voltage VOP 2.1 2.5 2.8 V PO = 30 mW Slope efficiency s 0.5 0.7 0.9 mW/mA 18(mW) / (I(24mW) - I (6mW)) Beam divergence parallel to the junction // 7 8.5 10.5 deg. PO = 30 mW Beam divergence parpendicular to the junction 17 19 23 deg. PO = 30 mW Asitgmatism AS -- 6 -- m PO = 5 mW, NA = 0.55 Lasing wavelength p 680 690 695 nm PO = 30 mW Monitor current IS 0.02 0.1 0.45 mA PO = 30 mW, VR(PD) = 5 V Note: Kink free is confirmed at the temperature of 25C. 2 HL6738MG Typical Characteristic Curves Monitor current, IS (mA) Optical output power, PO (mW) Optical Output Power vs. Forward Current 50 TC = 25C TC = 60C TC = 0C TC = 70C 40 30 20 10 0 0 40 80 120 160 Monitor Current vs. Optical Output Power 0.5 VR(PD) = 5V TC = 25C 0.4 0.3 0.2 0.1 0 200 0 30 40 50 Threshold Current vs. Case Temperature 100 Slope Efficiency vs. Case Temperature Threshold current, Ith (mA) 1.0 Slope efficiency, S (mW/mA) 20 Optical output power, PO (mW) Forward current, IF (mA) 0.8 0.6 0.4 0.2 0 10 0 10 20 30 40 50 60 70 Case temperature, TC (C) 80 10 0 10 20 30 40 50 60 70 80 Case temperature, TC (C) 3 HL6738MG Typical Characteristic Curves (cont) Lasing Wavelength vs. Case Temperature Monitor Current vs. Case Temperature 705 PO = 30 mW VR(PD) = 5 V PO = 30 mW Lasing wavelength, p (nm) Monitor current, IS (mA) 1.0 0.8 0.6 0.4 0.2 0 0 10 20 30 40 50 60 700 695 690 685 680 70 80 0 Case temperature, TC (C) Polarization Ratio vs. Optical Output Power 1000 TC = 25C NA = 0.55 800 PO = 30 mW Polarization ratio Relative intensity 80 Case temperature, TC (C) Lasing Spectrum TC = 25C 10 20 30 40 50 60 70 PO = 20 mW PO = 10 mW 600 400 200 PO = 5 mW 0 685 690 Lasing wavelength, p (nm) 4 695 0 10 20 30 40 Optical output power, PO (mW) 50 HL6738MG Typical Characteristic Curves (cont) Astigmatism vs. Optical Output Power Far Field Pattern 10 1.0 Relative intensity 0.8 Perpendicular 0.6 0.4 Parallel 0.2 0 -40 -30 -20 -10 0 Astigmatism, AS (m) TC = 25C NA = 0.55 PO = 30 mW TC = 25C 8 6 4 2 0 10 20 30 40 0 10 20 30 40 50 Optical output power, PO (mW) Angle, (deg.) Frequency Response Electrostatic Destruction (MILstandard) 100 3 dB/div PO = 3 mW Forward N = 10 pcs judgement IO 10% Gain (dB) Survival rate (%) 80 60 40 20 1M 10M 100M Frequency (Hz) 1G 3G 0 0 1 2 3 4 Applied voltage (kV) 5 HL6738MG Package Dimensions Unit: mm 0.4 +0.1 -0 5.6 +0 -0.025 1.0 0.1 (90) (0.4) 0.25 4.1 0.3 3.55 0.1 Glass 2.3 0.2 1.6 0.2 1.27 6.5 1.0 1.2 0.1 Emitting Point 3 - 0.45 0.1 1 1 2 3 3 2 2.0 0.2 Hitachi Code JEDEC EIAJ Mass (reference value) 6 LD/MG -- -- 0.3 g HL6738MG Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi's or any third party's patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi 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. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi's 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 Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi 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 failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi 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 Hitachi. 7. Contact Hitachi's sales office for any questions regarding this document or Hitachi semiconductor 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. 7 HL6738MG Hitachi, Ltd. Semiconductor & Integrated Circuits. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109 URL NorthAmerica Europe Asia Japan : : : : http://semiconductor.hitachi.com/ http://www.hitachi-eu.com/hel/ecg http://sicapac.hitachi-asia.com http://www.hitachi.co.jp/Sicd/indx.htm For further information write to: Hitachi Semiconductor (America) Inc. 179 East Tasman Drive, San Jose,CA 95134 Tel: <1> (408) 433-1990 Fax: <1>(408) 433-0223 Hitachi Europe GmbH Electronic Components Group Dornacher Strae 3 D-85622 Feldkirchen, Munich Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Asia Ltd. Hitachi Tower 16 Collyer Quay #20-00, Singapore 049318 Tel : <65>-538-6533/538-8577 Fax : <65>-538-6933/538-3877 URL : http://www.hitachi.com.sg Hitachi Europe Ltd. Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 585160 Hitachi Asia Ltd. (Taipei Branch Office) 4/F, No. 167, Tun Hwa North Road, Hung-Kuo Building, Taipei (105), Taiwan Tel : <886>-(2)-2718-3666 Fax : <886>-(2)-2718-8180 Telex : 23222 HAS-TP URL : http://www.hitachi.com.tw Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 7/F., North Tower, World Finance Centre, Harbour City, Canton Road Tsim Sha Tsui, Kowloon, Hong Kong Tel : <852>-(2)-735-9218 Fax : <852>-(2)-730-0281 URL : http://www.hitachi.com.hk Copyright Hitachi, Ltd., 2000. All rights reserved. Printed in Japan. Colophon 2.0 8