120 hologram lasers hologram lasers GH5R41KA3C hologram lasers hologram device laser chip reference plane 1.31 4.8 + 0 0.1 ? p1.1 0.15 ? 4=4.4 0.15 ?.2 + 0 0.025 ?.2 + 0 0.025 ?.63 0.1 3.2 0.15 4.9 0.2 4.79 0.12 4.6 0.5 2.8 0.2 2.02 0.1 1.2 0.1 12-?.3 0.05 ?.5 max. 0.3 max. 3.97 0.1 4.8 + 0 0.1 2.8 0.15 z x y z x y y z x ? dimension measured at lead base tolerance 0.2mm d3 vcc ld gnd v e+g v d v c v b v a vref d4 d1 d2 d5 d6 d7 d8 v f+h nc swin o r w t u e !0 q !1 1 i y !2 GH5R41KA3C outline dimensions high power output hologram laser for max. ? 40 speed cd-r drive !1 !2 y !0oiu t r e w q z x y top view terminal connection pin configuration (unit : mm) features (1) high power output (pulse max. 162mw) (2) for max. ? 40 speed cd-r, ? 40 speed cd-rom (with built-in min. 45mhz opic ? ) (3) high coupling efficiency the ellipticity ( ? / // ) is close to 1. (4) 4.8mm thickness package (5) with built-in beam splitter and diffraction grating ? opic : (optical ic) is a trademark of sharp corporation. an opic consists of a light-detecting element and a signal-processing circuit integrated onto a single chip. applications (1) cd-r drives (2) cd-rw drives absolute maximum ratings (t c =25 ? c) parameter symbol rating unit ? 1 optical power output p hc 108 mw ? 2 optical power output (pulse) p hp 162 mw ? 3,4 operating temperature t opr 0 to +70 ? c ? 3 storage temperature t stg -40 to +85 ? c ? 5 soldering temperature t sold 260 ? c laser 2 opic supply voltage v cc 6v v reverse voltage v r ? 1 output power from hologram laser equivalent to 120mw (cw) from cap ? 2 output power from hologram laser equivalent to 180mw (pulse) from cap (pulse width : 0.5s, duty : 50%) ? 3 case temperature ? 4 pulse operation, cw operation ? 5 at the position of 1.6mm from the lead base (within 5s) notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/
121 hologram lasers notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/ hologram lasers GH5R41KA3C electro-optical characteristics (t c =25 ? c) parameter symbol max. unit ? 1 focal offset def +0.7 m ? 6 res output amplitude v res 0.3 v jitter jit 23 ns conditions min. typ. collimated lens output power 1.5mw, high gain -0.7 - 0.09 0.19 collimated lens output power 1.5mw, high gain -- ? 2 focal error symmetry b fes collimated lens output power 1.5mw, high gain -25 - +25 % ? 3 radial error balance b res -25 - +25 % ? 5 fes output amplitude v fes 0.3 0.59 0.94 v collimated lens output power 1.5mw, high gain ? 4 rf output amplitude v rfh collimated lens output power 1.5mw, high gain 0.65 1.0 1.6 v collimated lens output power 1.5mw, high gain collimated lens output power 1.5mw, high gain ? 7 main spot balance msb collimated lens output power 1.5mw, high gain 80 (100) 120 % ? 8 sub spot balance ssb collimated lens output power 1.5mw, high gain 80 (100) 120 % ? 9 strain of rf signal shape rf h collimated lens output power 1.5mw, high gain -- 300 % ? 1 distance between fes=0 and jitter minimum point ? 2 (a?) / (a+b) ? 3 ? 4 amplitude of v a +v b +v c +v d (focal servo on, radial servo on) ? 5 v b ? a (focal vibration) ? 6 amplitude of (v c ? d )?1(v e + g ? f + h ). k1=(v c +v d )/(v e + g +v f + h )=1 when tracking servo is on, (v c ? d )?1(v e + g ? f + h )+ should be 0. ? 7 (v a +v b ) / (v c +v d ) ? 8 v c /v d ? 9 v rftop /v rfave a? 2 ? (a+b) a (+amplitude of res) b (?mplitude of res) gnd a (+amplitude of fes) b (?mplitude of fes) v rftop v rfave v ref
122 hologram lasers notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/ hologram lasers GH5R41KA3C hologram lasers electro-optical characteristics of laser diode (t c =25 ? c) parameter symbol max. unit threshold current i th 40 ma 167 half intensity angle +3 ? k-li1 - % kink k-li2 15 % conditions min. typ. -30 operating current - 141 ma -3 - 0.988 - p1=36mw, p2=108mw, p3=180mw - - i op ? // -1 - +1 ? ? po=100mw parameter symbol unit ? 11 segment offset voltage difference, gain switching ? v od mv a, b conditions min. typ. -30 - ? 9 0.1? or more capacitor should be added between opic power supply terminal and gnd, vref terminal and gnd. (at the position of 10mm or less from the lead base) ? 10 applicable divisions correspond to output terminals . a : v a , v b , v c , v d b : v e + g , v f + h ? 11 difference from v ref max. supply current i cc1 high gain, gain switching sw=h - 25 32 ma -3035ma common to high/low gain +30 i cc2 po=100mw operating voltage v op po=100mw - 2.2 2.5 v wavelength p po=100mw 773 784 797 nm differential efficiency d 90mw i(100mw)-i(10mw) 0.75 0.9 1.15 mw/ma // 8.0 9 10.2 ? ? 14.5 16.0 17.5 ? // -2 - +2 ? beam shift // (100mw)- // (3mw) po=10 to 180mw electro-optical characteristics of opic for signal detection ? 10 (t c =25 ? c, v cc =5v, v ref =2.1v) low gain, gain switching sw=l ? 12 output offset voltage v od common to high/low gain, no light -25 2 +25 mv a, b parallel perpendicular emission characteristics deviation angle parallel perpendicular stability of differential efficiency ? d po=10 to 180mw - - 40 % electro-optical characteristics of hologram laser (design standard*) ? 1 (t c =25 ? c) ? 1 parameter symbol max. unit ? 2 focal error signal capture range -- m - conditions min. typ. -14 focal error signal sensitivity - 13 %/ m - ? ? na=0.50 f =3.0mm na=0.186 f =10.74mm disc (sony : yeds-18) actuator collimated lens hologram laser laser driver (apc) measuring system of hologram laser ? 2 * these parameters are not guaranteed performance, but general specifications of each optical element which makes up a hologram laser.
123 hologram lasers hologram lasers GH5R41KA3C hologram lasers parameter symbol max. unit conditions min. typ. optical characteristics of hologram device (design standard*) (t c =25 ? c) parameter symbol max. unit --? 12.4 conditions min. typ. - 26.3 grating diffraction efficiency 6.7 9 - - 0:1 grating diffraction angle - =780nm - 2.72 - ? hologram diffraction efficiency - =780nm (79) (83) - % - (5.5) (6.9) (8.5) % hologram diffraction angle - =780nm - 20.7 - ? 0 th d1, d2 ?st except d1, d2 electro-optical characteristics of laser diode (design standard*) (t c =25 ? c) misalignment position ? x ? -80 - +80 m ? y -80 - +80 m ? z -80 - +80 m ? 3 reflectivity of ld rear facet r r ? 85 - - % electro-optical characteristics of opic for signal detection (design standard*) (t c =25 ? c, v cc =5v, v ref =2.1v) ? 3 sampling rate is 1pc./reflection membrane formation process lot ? 4 appricable divisions correspond to output terminals. a : v a , v b , v c , v d b : v e + g , v f + h ? 5 difference from v ref ? 6 light source is a laser diode of =780nm. ? 7 -3db level (0db level is taken for output level when f=0.1mhz) ? 8 10? of dc light is applied to the center of each photodiode, and 4 w of ac light is irradiated. bw=10khz ? 9 5k ? of resistor and 10pf of capacitor should be connected in parallel between output terminal and vref terminal. parameter symbol unit ? 4 segment conditions min. typ. max. supply voltage v cc ? 4.5 5 5.5 v reference voltage v ref ? 2.00 2.1 2.21 v reference voltage terminal current i ref common to high/low gain, no light -0.5 1 2 ma ? 6,7,8,9 response frequency f cm main amp, common to high/low gain, -3db 45 60 - mhz a f cs sub amp, common to high/low gain , -3db 12 - mhz b ? 5,6,8,9 peaking level v pk 2 common to high/low gain f=0.1 to 45mhz --3dba ? 9 noise level f nm hign gain, 50 ? end bw=30khz, f=36mhz - -74 -68 dbm a sensitivity 1 r m 1 main amp, hign gain 18 24 30 mv/ w a sensitivity 2 r m 2 main amp, low gain 0.72 0.96 1.2 mv/ w a sensitivity 3 r m 3 sub amp, hign gain 72 96 120 mv/ w b sensitivity 4 r m 4 sub amp, low gain 2.88 3.84 4.8 mv/ w b thermal drift of sensitivity r sm /t common to high/low gain - 4 200 - ppm/?c a, b thermal drift of offset voltage v od /t common to high/low gain, no light - 300 - v/?c a, b thermal drift of offset voltage 1 v os 1/t main amp, hign gain, no light - 30 - v/?c a thermal drift of offset voltage 2 v os 2/t main amp, low gain, no light - 15 - v/?c a thermal drift of offset voltage 3 v os 3/t sub amp, hign gain, no light - 30 - v/?c b thermal drift of offset voltage 4 v os 4/t sub amp, low gain, no light - 15 - v/?c b thermal drift of offset voltage 5 v os 5/t between main-sub amp, hign gain, no light - 100 - v/?c a-b thermal drift of offset voltage 6 v os 6/t between main-sub amp, low gain, no light -45- v/?c a-b over/undershoot at gain switching t str 1 common to high/low gain, integral value of the first overshoot/undershoot peak value and overshoot/undershoot time - 200 - s ? mv a, b stabilization time at gain switching t str 2 common to high/low gain, time for ?mv --25 s a, b settling time t est output voltage 500mv 5mv low gain, fall time -30-nsa maximum output voltage v o max common to high/low gain, v ref reference 1- -v a, b output terminal current io common to high/low gain -0.03 0.01 0.3 ma a, b f=6.9mhz * these parameters are not guaranteed performance, but general specifications of each optical element which makes up a hologram laser. ?please refer to the chapter "handling precautions" notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/
124 hologram lasers notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/ GH5R41KA3C tc=25?c tc=50?c tc=75?c forward current i f (ma) optical power output po(mw) 0 0 20 40 60 80 100 120 0 50 100 150 200 250 300 tc=25 ? c tc=50 ? c tc=75 ? c forward current i f (ma) optical power output pp(mw) 0 0 50 100 150 200 0 100 200 300 400 (pulse width : 0.5 s, duty : 50%) optical power output - forward current [cw] optical power output - forward current [pulse] case temperature tc( ? c) relative threshold current 0.1 1 10 020 10 40 60 30 50 70 80 angle ( ? ) relative optical power output 0 0.2 0.4 0.6 0.8 1.0 1.2 -40.0 -20.0 0.0 20.0 40.0 // (tc=25 ? c, po=100mw) case temperature dependence of threshold current [cw] far field pattern fead back(%) rin(db/hz) -160 -150 -140 -130 -120 -110 -100 -90 0.001 0.01 0.1 1 10 max. (db/hz) min. (db/hz) measurement frequency : band width : 720khz 10khz tc = po = 25 ? c 3mw measurement frequency : band width : 720khz 10khz tc = po = 25 ? c 3mw high frequency modulation : tdk hfm-098 (5v, 350mhz) fead back(%) rin(db/hz) -160 -150 -140 -130 -120 -110 -100 -90 0.001 0.01 0.1 1 10 max. (db/hz) min. (db/hz) relative intensity noise (rin) [without high frequency modulation] relative intensity noise (rin) [with high frequency modulation] note) characteristics shown in diagrams are typical values. (not assurance value)
125 hologram lasers notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/ wavelength (nm) 770 780 790 relative optical power output (tc=25 ? c, po=3mw) 769 779 789 relative optical power output wavelength (nm) (tc=25 ? c, po=3mw) lasing spectrum [without high frequency modulation] lasing spectrum [with high frequency modulation] light path length (mm) 0 50 100 -10.37 0 10.37 visibility (%) (tc=25 ? c, po=3mw) light path length (mm) 0 50 100 -10.37 0 10.37 visibility (%) (tc=25 ? c, po=3mw) visibility [without high frequency modulation] visibility [with high frequency modulation] note) characteristics shown in diagrams are typical values. (not assurance value) GH5R41KA3C
150 application circuits notice the circuit application examples in this publication are provided to explain representative applications of sharp devices and are not intended to guarantee any circuit design or license any intellectual property rights. sharp takes no responsibility for any problems related to any intellectual property right of a third party resulting from the use of sharp's devices. contact sharp in order to obtain the latest device specification sheets before using any sharp device. sharp reserves the right to make changes in the specifications, characteristics, data, materials, structure, and other contents described herein at any time without notice in order to improve design or reliability. manufacturing locations are also subject to change without notice. observe the following points when using any devices in this publication. sharp takes no responsibility for damage caused by improper use of the devices which does not meet the conditions and absolute maximum ratings to be used specified in the relevant specification sheet nor meet the following conditions: (i) the devices in this publication are designed for use in general electronic equipment designs such as: --- personal computers --- office automation equipment --- telecommunication equipment [terminal] --- test and measurement equipment --- industrial control --- audio visual equipment --- consumer electronics (ii)measures such as fail-safe function and redundant design should be taken to ensure reliability and safety when sharp devices are used for or in connection with equipment that requires higher reliability such as: --- transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.) --- traffic signals --- gas leakage sensor breakers --- alarm equipment --- various safety devices, etc. (iii)sharp devices shall not be used for or in connection with equipment that requires an extremely high level of reliability and safety such as: --- space applications --- telecommunication equipment [trunk lines] --- nuclear power control equipment --- medical and other life support equipment (e.g., scuba). contact a sharp representative in advance when intending to use sharp devices for any "specific" applications other than those recommended by sharp or when it is unclear which category mentioned above controls the intended use. if the sharp devices listed in this publication fall within the scope of strategic products described in the foreign exchange and foreign trade law of japan, it is necessary to obtain approval to export such sharp devices. this publication is the proprietary product of sharp and is copyrighted, with all rights reserved. under the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, in whole or in part, without the express written permission of sharp. express written permission is also required before any use of this publication may be made by a third party. contact and consult with a sharp representative if there are any questions about the contents of this publication.
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