Rev.1 Oct. 24, 2006 page 1 of 4

HL6321G/22G

AlGaInP Laser Diodes

ODE-208-028A (Z)

Rev.1

Oct. 24, 2006

Description

The HL6321G/22G are 0.63

µm band AlGaInP laser diodes with a multi-quantum well (MQW) structure. They are

suitable as light sources for laser levelers and optical equipment for measurement.

Features

• Visible light output: 635 nm Typ

• Single longitudinal mode

• Optical output power: 15 mW CW

• Low operating current: 100 mA Max

• Low operating voltage: 2.7 V Max

• TM mode oscillation

LD

LD

PD

PD

1

1

3

3

2

Internal Circuit

• HL6321G

Internal Circuit

• HL6322G

Package Type

• HL6321G/22G: G2

2

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Optical output power

15

mW

LD reverse voltage

2

V

PD reverse voltage

30

V

Operating temperature

Topr

–10 to +50

°C

Storage temperature

Tstg

–40 to +85

°C

Optical and Electrical Characteristics

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

Threshold current

Ith

20

55

70

mA

—

Operating current

—

85

100

mA

Operating voltage

—

—

2.7

V

Slope efficiency

ηs

0.3

—

0.7

mW/mA

Beam divergence

parallel to the junction

θ//

6

8

11

°

Beam divergence

perpendicular to the junction

θ⊥

25

30

36

°

Lasing wavelength

λp

630

635

640

nm

Monitor current

0.1

0.2

0.4

mA