ETC HL6315G/16G

HL6315G/16G
AlGaInP Laser Diodes
ADE-208-218D (Z)
5th Edition
Dec. 2000
Description
The HL6315G/16G are 0.63 µm band AlGaInP laser diodes with a multi-quantum well (MQW) structure.
They are suitable as light sources for laser poiters and optical equipment.
Application
• Laser pointer
Features
•
•
•
•
•
Visible light output: 635 nm Typ (nearly equal to He-Ne gas laser)
Optical output power: 3 mW CW
Low operating current: 30 mA Typ
Low operating voltage: 2.7 V Max
TM mode oscillation
Package Type
• HL6315G/16G: G2
Internal Circuit
• HL6315G
1
Internal Circuit
• HL6316G
1
3
PD
LD
2
3
PD
LD
2
HL6315G/16G
Absolute Maximum Ratings (TC = 25°C)
Item
Symbol
Rated Value
Unit
Optical output power
PO
3
mW
Pulse optical output power
PO(pulse)
5*
mW
LD reverse voltage
VR(LD)
2
V
PD reverse voltage
VR(PD)
30
V
Operating temperature
Topr
–10 to +50
°C
Storage temperature
Tstg
–40 to +85
°C
Note: Pulse condition : Pulse width ≤ 1 µs , duty ≤ 50%
Optical and Electrical Characteristics (TC = 25°C)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Optical output power
PO
3
—
—
mW
Kink free
Threshold current
Ith
—
25
35
mA
Operating current
I OP
—
30
42
mA
PO = 3 mW
Operating voltage
VOP
—
—
2.7
V
PO = 3 mW
Beam divergence
parallel to the junction
θ//
6
8
10
deg.
PO = 3 mW
Beam divergence
parpendicular to the junction
θ⊥
23
30
39
deg.
PO = 3 mW
Lasing wavelength
λp
630
635
640
nm
PO = 3 mW
Monitor current
IS
0.1
0.3
0.6
mA
PO = 3 mW, VR(PD) = 5 V
2
HL6315G/16G
Monitor Current vs. Optical Output Power
Optical Output Power vs. Forward Current
3
TC = −10°C
0.4
TC = 25°C
VR(PD) = 5 V
Monitor current, IS (mA)
Optical output power, PO (mW)
Typical Characteristic Curves
TC = 25°C
2
TC = 50°C
1
0
0.3
0.2
0.1
0
0
20
40
60
80
100
0
Forward current, IF (mA)
1
2
3
Optical output power, PO (mW)
Lasing Spectrum
TC = 25°C
Far Field Pattern
Perpendicular
0.8
PO = 3 mW
TC = 25°C
PO = 3 mW
0.6
0.4
Parallel
0.2
0
−40
−20
0
20
Angle, θ (deg.)
Relative intensity
Relative intensity
1
PO = 2 mW
PO = 1 mW
40
625
630
635
640
645
Wavelength, λp (nm)
650
3
HL6315G/16G
Typical Characteristic Curves (cont)
Threshold Current vs. Case Temperature
100
Slope Efficiency vs. Case Temperature
Threshold current, Ith (mA)
Slope efficiency, ηs (mW/mA)
1.0
10
−10
0
10
20
30
40
0.8
0.6
0.4
0.2
0
−10
50
Case temperature, TC (°C)
Monitor Current vs. Case Temprature
Lasing wavelength, λp (nm)
Monitor current, IS (mA)
PO = 3 mW
VR(PD) = 5 V
0.3
0.2
0.1
0
10
20
30
40
Case temperature, TC (°C)
4
10
20
30
40
50
Case temperature, TC (°C)
0.4
0
−10
0
50
Lasing Wavelength vs. Case Temperature
644
PO = 3 mW
642
640
638
636
634
632
630
628
−10
0
10
20
30
40
Case temperature, TC (°C)
50
HL6315G/16G
Typical Characteristic Curves (cont)
Polarization Ratio vs. Optical Output Power
500
TC = 25°C
Astigmatism vs. Optical Output Power
20
400
15
Polarization ratio
Astigmatism, AS (µm)
TC = 25°C
NA = 0.55
10
5
NA = 0.4
300
NA = 0.25
200
100
0
0
0
1
2
Optical output power, PO (mW)
3
0
1
2
3
Optical output power, PO (mW)
5
HL6315G/16G
Package Dimensions
φ 9.0 +0
–0.025
1.0 ± 0.1
0.4 +0.1
–0
Unit: mm
Glass
φ 7.2 +0.3
–0.2
φ 6.2 ± 0.2
(φ2.0)
3.5 ± 0.2
9±1
2.45
Emitting Point
3 – φ 0.45 ± 0.1
1
2
1.5 ± 0.1
0.3
(90°)
(0.65)
3
3
1
2
φ 2.54 ± 0.35
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
6
LD/G2
—
—
1.1 g
HL6315G/16G
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.
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HL6315G/16G
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Copyright  Hitachi, Ltd., 2000. All rights reserved. Printed in Japan.
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