High Power Pulsed Laser Diodes
1550-Series

FEATURES
Single and stacked devices up to 50 Watts
Proven InGaAsP high reliability structure
0.35 W/A efficiency
Excellent temperature stability
Hermetic and custom designed package

APPLICATIONS
Eye safe range finding
Surveying equipment“Friend or Foe” identification
Laser radar
Security barrier

GENERIC CHARACTERISTICS AT tRT = 21 °C

Min
Wavelength of peak radiant intensity λ mSpectral bandwidth ∆λ at 50 % intensity points
Wavelength temperature coefficient
Beam spread (50 % peak intensity)
Parallel to junction plane 
Perpendicular to junction plane ⊥Single element
Stacks1520

Typ1550
120.60

Max
1580

Units
nm
nm
nm/°C

10Degrees

4848Degrees
Degrees

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Germany and other countries: LASER COMPONENTS GmbH, Phone: +49 8142 2864 0, Fax: +49 8142 2864 11, info@lasercomponents.com
USA: LASER COMPONENTS IG, Inc., Phone: +1 603 821 7040, Fax: +1 603 821 7041, info@laser-components.com
Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801, info@lasercomponents.co.uk
France: OPTOPHOTONICS sa, Phone: +33 1 3959 5225, Fax: +33 1 3959 5350, info@optophotonics.fr

High Power Pulsed Laser Diodes, 1550 Series
SINGLE CHIPS
Single chip characteristics at tRT = 21°C, tW = 150 ns, Duty Factor (DF) = 0.1 %Parameter

155G1S06X

155G1S14X

PO at iFM , (min.)Emitting area
Max peak forward
current iFM
Ith typ5W
150 x 1 µm

12 W
350 x 1 µm

20 A

40 A

1A

1.5 A

STACKED ARRAYS
Stacked chip characteristics at tRT = 21°C, tW = 150 ns, Duty Factor (DF) = 0.1 %Parameter

155G2S06X

155G4S14X

Number of elements
PO at iFM , (min.)Emitting area

210 W
150 x 150 µm

445 W
350 x 340 µm

Max peak forward current iFM
Ith typ20 A
1A

40 A
1.5 A

ABSOLUTE MAXIMUM RATINGS
Maximum ratings

Limiting values

Peak reverse voltage
Pulse duration
Single element
Stacks
Duty factor
Temperature
Storage
OperatingLead soldering 5 seconds max at

2V
200 ns
150 ns0.1 %- 55 °C to + 100 °C- 45 °C to + 85 °C
200 °C

Page 2www.lasercomponents.comGermany and other countries: LASER COMPONENTS GmbH, Phone: +49 8142 2864 0, Fax: +49 8142 2864 11, info@lasercomponents.com
USA: LASER COMPONENTS IG, Inc., Phone: +1 603 821 7040, Fax: +1 603 821 7041, info@laser-components.com
Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801, info@lasercomponents.co.uk
France: OPTOPHOTONICS sa, Phone: +33 1 3959 5225, Fax: +33 1 3959 5350, info@optophotonics.fr

High Power Pulsed Laser Diodes, 1550 Series

Figure 2:
Optical Output Power vs. Forward Current,Figure 1: Wavelength vs. Temperature

1550nm 150 m icron Stripe, 100ns, 2.5 kHz

1570

71560

61550

51540

4Po w er (W )Wavelength (nm)

1580

1530

31520

21510

1-40-20

02040

60

80

00Temperature (C)510152025Current (A)Figure 3:
Optical Output Power vs. Forward Current, 350 µm

Figure 4:
Optical Output Power vs. Forward Current,
350 µm Stack
60

1250
P eak P o w er (W )1410864204030201000102030

4050

0Peak Current (iF )10203040

Peak Current (iF)

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Germany and other countries: LASER COMPONENTS GmbH, Phone: +49 8142 2864 0, Fax: +49 8142 2864 11, info@lasercomponents.com
USA: LASER COMPONENTS IG, Inc., Phone: +1 603 821 7040, Fax: +1 603 821 7041, info@laser-components.com
Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801, info@lasercomponents.co.uk
France: OPTOPHOTONICS sa, Phone: +33 1 3959 5225, Fax: +33 1 3959 5350, info@optophotonics.fr

50

High Power Pulsed Laser Diodes, 1550 Series

Figure 5: Optical Output Power vs. Half Angle

Figure 6: Optical Output Power vs. Temperature

100,0%
Relative intensity

Relative power Output

120%

10,0%

100%
80%
60%
y = -0,0042x + 1,0403

40%
20%
0%

110100-40-20Cone half angle (degrees)

020

40

60

80

100

Temperature (C)PRODUCT NUMBER DESIGNATIONS

155G
Diode Configuration

Contact Stripe Width

Package Style

1S = single stack

06 = 6 mil

S = TO-18

2S = double stack

14 = 14 milR = 9 mm CD

4S = quad stack

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Germany and other countries: LASER COMPONENTS GmbH, Phone: +49 8142 2864 0, Fax: +49 8142 2864 11, info@lasercomponents.com
USA: LASER COMPONENTS IG, Inc., Phone: +1 603 821 7040, Fax: +1 603 821 7041, info@laser-components.com
Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801, info@lasercomponents.co.uk
France: OPTOPHOTONICS sa, Phone: +33 1 3959 5225, Fax: +33 1 3959 5350, info@optophotonics.fr

High Power Pulsed Laser Diodes, 1550 Series

PACKAGE DRAWINGS

Package R

9 mm CD

Package R: Pin Out: 1. LD Anode (+),
2. NC,
3. LD Cathode (-) Case, Inductance 6.8 nH

Package S

TO-18

Package S: Pin Out: 1. LD Anode (+), 2. LD Cathode (-) Case, Inductance 5.2 nH

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Germany and other countries: LASER COMPONENTS GmbH, Phone: +49 8142 2864 0, Fax: +49 8142 2864 11, info@lasercomponents.com
USA: LASER COMPONENTS IG, Inc., Phone: +1 603 821 7040, Fax: +1 603 821 7041, info@laser-components.com
Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801, info@lasercomponents.co.uk
France: OPTOPHOTONICS sa, Phone: +33 1 3959 5225, Fax: +33 1 3959 5350, info@optophotonics.fr

High Power Pulsed Laser Diodes, 1550 Series

PRODUCT CHANGESLASER COMPONENTS reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed asa result of their use or application.

ORDERING INFORMATION
Products can be ordered directly from LASER COMPONENTS or its representatives. For a complete listing of representatives,
visit our website at www.lasercomponents.com
Custom designed products are available on request.

LASER SAFETY
Personal Hazard:
Depending on the mode of operation, these devices emit highlyconcentrated non visible infrared light which can be hazardous to thehuman eye. Products which incorporate these devices have to follow thesafety precautions given in IEC 60825-1 “Safety of laser products”.

Handling Precautions:
Products are subject to the risks normally associated with sensitiveelectronic devices including static discharge, transients, and overload.

12/05 / V5 / IF / lcc / highpower_1550.doc

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Germany and other countries: LASER COMPONENTS GmbH, Phone: +49 8142 2864 0, Fax: +49 8142 2864 11, info@lasercomponents.com
USA: LASER COMPONENTS IG, Inc., Phone: +1 603 821 7040, Fax: +1 603 821 7041, info@laser-components.com
Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801, info@lasercomponents.co.uk
France: OPTOPHOTONICS sa, Phone: +33 1 3959 5225, Fax: +33 1 3959 5350, info@optophotonics.fr