111
Notice In t h e a b s e n c e o f c o n firmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
Hologram Lasers GH5R41HA3CHologram Lasers
Hologram device
Cap glass
Laser chip
Reference plane
1.27
0.25
4.8
+
0
0.1
P1.1±0.154=4.4±0.15
ø8.2 +
0
0.025
ø8.2 +
0
0.025
ø6.63±0.1
3.2±0.15
4.9±0.2
4.77±
0.12
4.6±
0.5
2.8±
0.2 2.0±0.1
1.2±
0.1
12-ø0.3±0.05
ø7.5
MAX.
0.3
MAX.
3.97±0.1
4.8+
0
0.1
2.8±0.15
Z
XY
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 D1D2D5D6D7D8
V
F+H
NC
Swin
o
r
w
t
u
e
!0
q
!11
i
y
!2
GH5R41HA3C
(Under development) Outline Dimensions
High Power Output Hologram Laser
for MAX. 24 Speed CD-R Drive
!1
!2 y
!0oiu
trewq
Z
X
Y
Top View
Terminal connection Pin configuration
(Unit : mm)
Features
(1) High power output (pulse MAX. 144mW)
(2) For MAX. 24 speed CD-R, 40 speed CD-ROM
(With built-in MIN. 45MHz OPIC)
(3) High coupling efficiency
The ellipticity (θ⊥/θ//) is close to 1.
(4) φ4.8mm 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 (TC=25˚C)
Parameter Symbol Rating Unit
1Optical power output PHC 101 mW
2Optical power output (pulse) PHP 144 mW
3Operating temperature Topr 0 to +60 ˚C
3Storage temperature Tstg -40 to +85 ˚C
4Soldering temperature Tsold 260 ˚C
1Output power from hologram laser Equivalent to 120mW (CW) from cap glass
2Output power from hologram laser Equivalent to 160mW (pulse) from cap glass (Pulse width : 0.5µs, Duty : 50%)
3Case temperature 4At the position of 1.6mm from the lead base (Within 5s)
Laser 2
OPIC supply voltage VCC 6V
VReverse voltage VR
Hologram Lasers GH5R41HA3C
Electro-optical Characteristics (TC=25˚C)
Parameter Symbol MAX. Unit
1Focal offset DEF +0.7 µm
6RES output amplitude VRES 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 --
2Focal error symmetry BFES Collimated lens output power
1.5mW, High gain -25 - +25 %
3Radial error balance BRES -25 - +25 %
5FES output amplitude VFES 0.35 0.59 0.94 V
Collimated lens output power
1.5mW, High gain
4RF output amplitude VRFH Collimated lens output power
1.5mW, High gain 0.65 0.94 1.23 V
Collimated lens output power
1.5mW, High gain
Collimated lens output power
1.5mW, High gain
7Main spot balance MSB Collimated lens output power
1.5mW, High gain 80 (100) 120 %
8Sub spot balance SSB Collimated lens output power
1.5mW, High gain 80 (100) 120 %
9Strain of RF signal shape RFhCollimated lens output power
1.5mW, High gain - - 230 %
1Distance between FES=0 and jitter minimum point
2(ab) / (a+b)
3
4Amplitude of VA+VB+VC+VD(focal servo ON, radial servo ON)
5VBVA(Focal vibration)
6
Amplitude of (V
C
V
D
)k1(V
E
+
G
V
F
+
H
). k1=(V
C
+V
D
)/(V
E
+
G
+V
F
+
H
)=1
When tracking servo is ON, (V
C
V
D
)k1(V
E
+
G
V
F
+
H
)+αshould be 0.
7(VA+VB) / (VC+VD)
8VC/VD
9VRFtop/VRFave
ab
2(a+b)
a (+amplitude of RES)
b (amplitude of RES)
GND
a (+amplitude of FES)
b (amplitude of FES)
VRFtop
VRFave
Vref
112
Notice In t h e a b s e n c e o f c o n firmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
113
Hologram Lasers GH5R41HA3CHologram Lasers
Electro-optical Characteristics of Laser Diode (TC=25˚C)
Parameter Symbol MAX. Unit
Threshold current Ith 41 mA
155
Half intensity angle
ø+3 ˚
K-LI1 - %
Kink K-LI2 15 %
Conditions MIN. TYP.
-30
Operating current - 130 mA
-3 -
0.988 -
P1=30mW, P2=90mW, P3=150mW - -
Iop
ø// -1 - +1 ˚
Po=100mW
Parameter Symbol Unit
11
Segment
Offset voltage difference, Gain switching
Vod mV A, B
Conditions MIN. TYP.
-30 -
90.1µF or more capacitor should be added between OPIC power supply terminal and GND, Vref terminal and GND. (at the position of 5mm
or less from the lead base)
10 Applicable divisions correspond to output terminals .
A : VA, VB, VC, VD
B : VE+G, VF+H
11 Difference from Vref
MAX.
Supply current ICC1 High gain, Gain switching SW=H - 25 32 mA
-3035mA
Common to high/low gain +30
ICC2
Po=100mW
Operating voltage Vop Po=100mW - 2.2 2.5 V
Wavelength λpPo=100mW 773 784 797 nm
Differential efficiency ηd70mW
I(100mW)-I(30mW) 0.7 0.85 1.2 mW/mA
θ// 7.5 9 10.5 ˚
θ⊥ 14.5 17 19.5 ˚
ø// -2 - +2 ˚
Beam shift ø//(100mW)-ø//(3mW)
Po=10 to 150mW
Electro-optical Characteristics of OPIC for Signal Detection
10 (TC=25˚C, VCC=5V, Vref=2.1V)
Low gain, Gain switching SW=L
12 Output offset voltage Vod 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 ∆ηdPo=10 to 150mW - - 40 %
Electro-optical Characteristics of Hologram Laser (Design Standard*)1(TC=25˚C)
1
Parameter Symbol MAX. Unit
2Focal error signal capture range --
µm
-
Conditions MIN. TYP.
-14
Focal error signal sensitivity - 13 %/µm
-
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.
Notice In t h e a b s e n c e o f c o n firmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
Hologram Lasers GH5R41HA3CHologram Lasers
Parameter Symbol MAX. UnitConditions MIN. TYP.
Optical Characteristics of Hologram Device (Design Standard*) (TC=25˚C)
Parameter Symbol MAX. Unit
--˚
12.4
Conditions MIN. TYP.
- 26.4
Grating diffraction efficiency 6.7 9 --0:1
Grating diffraction angle - λ=780nm -2.8- ˚
Hologram diffraction
efficiency -λ=780nm 77 82 - %
- 679%
Hologram diffraction
angle -λ=780nm - 21.1 - ˚
0 th
D1, D2
±1st
Except D1, D2
Electro-optical Characteristics of Laser Diode (Design Standard*) (TC=25˚C)
Misalignment position x-80 - +80 µm
y-80 - +80 µm
z-80 - +80 µm
3Reflectivity of LD rear facet Rr85 - - %
114
Electro-optical Characteristics of OPIC for Signal Detection (Design Standard*)
(TC=25˚C, VCC=5V, Vref=2.1V)
3Sampling rate is 1pc./reflection membrane formation process lot
4Appricable divisions correspond to output terminals.
A : VA, VB, VC, VD
B : VE+G, VF+H
5Difference from Vref
6Light source is a laser diode of λ=780nm.
7-3dB level (0dB level is taken for output level when f=0.1MHz)
810µW of DC light is applied to the center of each photodiode, and 4µW
of AC light is irradiated. BW=10kHz
95kof 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 VCC 4.75 5 5.25 V
Reference voltage Vref 2.00 2.1 2.21 V
Reference voltage terminal current
Iref Common to high/low gain, No light -0.5 1 2 mA
6,7,8,9
Response frequency fcm
Main amp, Common to high/low gain, -3dB
45 60 - MHz A
fcs
Sub amp, Common to high/low gain, -3dB
1 2 - MHz B
5,6,8,9
Peaking level Vpk2Common to high/low gain
f=0.1 to 50MHz --3dBA
9Noise level fnm Hign gain, 50 end
BW=30kHz, f=36MHz - -74 -68 dBm A
Sensitivity 1 Rm1 Main amp, Hign gain 18 24 30 mV/µWA
Sensitivity 2 Rm2 Main amp, Low gain 0.72 0.96 1.2 mV/µWA
Sensitivity 3 Rm3Sub amp, Hign gain 72 96 120 mV/µWB
Sensitivity 4 Rm4Sub amp, Low gain 2.88 3.84 4.8 mV/µWB
Thermal drift of sensitivity Rsm/T Common to high/low gain - 4 200 - ppm/˚CA, B
Thermal drift of offset voltage
Vod/T Common to high/low gain, No light - 300 - µV/˚CA, B
Thermal drift of offset voltage 1
Vos1/T Main amp, Hign gain, No light - 30 - µV/˚CA
Thermal drift of offset voltage 2
Vos2/T Main amp, Low gain, No light - 15 - µV/˚CA
Thermal drift of offset voltage 3
Vos3/T Sub amp, Hign gain, No light - 30 - µV/˚CB
Thermal drift of offset voltage 4
Vos4/T Sub amp, Low gain, No light - 15 - µV/˚CB
Thermal drift of offset voltage 5
Vos5/T
Between main-sub amp, Hign gain, No light
- 100 - µV/˚CA-B
Thermal drift of offset voltage 6
Vos6/T
Between main-sub amp, Low gain, No light
-45-
µV/˚CA-B
Over/undershoot at gain
switching tstr1
Common to high/low gain, Integral value of the first
overshoot/undershoot peak value and overshoot/undershoot time
- 200 - µsmV A, B
Stabilization time at gain switching
tstr2
Common to high/low gain, time for ±3mV
--25
µsA, B
Settling time test
Output voltage 500mV 5mV
Low gain, fall time -30-nsA
Maximum output voltage Vomax
Common to high/low gain, V
ref
reference
1--VA, 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 t h e a b s e n c e o f c o n firmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
115
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 Control 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.