QLM4F02-48536678 series

Preliminary

Multi-color compact laser light source of 488 532 660 and 785nm

C00254-08 December 2021

1. DESCRIPTIONThe QLM04F02-48536678 is a multi-color compact laser light source combined one compact visible laser and 3
TO-CANs with fiber output. The module includes TEC controller, and a highly airtight package.
2.
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FEATURES
4 wavelength of 488, 532, 660 and 785nm
532nm visible laser using frequency doubling technology
Front power monitor for 532 nm laser available
3 TO56s of 488, 660 and 785nm direct semiconductor lasers including monitor PD
Fiber output from polarization maintaining fiber
Highly airtight package with a TEC

3.
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•

APPLICATIONS
Fluorescence microscope
Spectroscopy
Biomedical applications

4.

ABSOLUTE MAXIMUM RATINGSPARAMETERTEC Drive Current

SYMBOLITEC

Thermistor Resistance (B=3250 K)

RthOperation Temperature
Storage Temperature
Storage Relative Humidity

TcTstgRH

1/5(Tc = 25°C, unless otherwise specified)
RATINGUNIT
3A
10 (+/-3%)k
20 to 30
C-10 to 50
C< 90 (no codensation)%

QLM4F02-48536678

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Wavelength
488 nmPARAMETER
Optical output power
LD reverse voltage
LD reverse current
PD reverse voltage

SYMBOL
Pf
VRLD
IRLD
VRPD

RATING
30855

UNIT
mW
VmA
V

Wavelength
532 nmPARAMETER
Optical output power

SYMBOLPf

RATING30

UNIT
mW

DFB forward current

IfDFB

250

mA

DFB forward voltage

VfDFB

2.5

V

DFB reverse voltage

VrDFB

2V

SOA forward current

IfSOA

320

mA

SOA forward voltage

VfSOA

3V

SOA reverse voltage

VrSOA

2V

Wavelength
660 nmPARAMETER
Optical output power
LD reverse voltage
PD reverse voltage

SYMBOLPf
VRLD
VRPD

RATING
30230UNITmW
VV

Wavelength
785 nmPARAMETER
Optical output power
LD reverse voltage
PD reverse voltage

SYMBOL
Pf
VRLD
VRPD

RATING
60
230UNIT
mW
V
V

2/5

QLM4F02-48536678
5.

C00254-08

OPTICAL AND ELECTRICAL CHARACTERISTICS

Wavelength
488 nmWavelength
532 nmWavelength
660 nmWavelength
785 nm(TLD = 25°C, unless otherwise specified)
TEST CONDITIONMINTYP
MAX
UNIT
CW
3050mA
CW, Pf=20 mW
100130mA
CW, Pf=20 mW
5.6
6.2
V
CW, Pf=20 mW,VRD=5 V
200
1000
1800
A
CW, Pf=20 mW
483
488
493
nm

PARAMETER
Threshold current
Operation current
Operation voltage
Monitor current
Peak wavelength
Polarization
Extinction Ratio*

SYMBOL
Ith488
Iop488
Vop488
Im488
p488
PER488

CW-20-dB

PARAMETERDFB operation current
DFB operation voltage
SOA operation current
SOA operation voltage
Front monitor current
Peak wavelength
Polarization
Extinction Ratio*

SYMBOLIopDFB
VopDFB
IopSOA
VopSOA
Im532
p532

TEST CONDITION
CW, Pf= 20 mWCW, Pf= 20 mW
CW, Pf= 20 mW
CW, Pf= 20 mW
CW, Pf=20 mW,VRD=5 V
CW, Pf= 20 mW

MIN
-MAX
220
2.4
320
3.0

530

TYP
120
1.8
250
2.0
TBD
532534

UNIT
mA
VmA
V
A
nm

PER532CW-

20-dB

PARAMETER
Threshold current
Operation current
Operation voltage
Monitor current
Peak wavelength
Polarization
Extinction Ratio*

SYMBOL
Ith660
Iop660
Vop660
Im600
p660

TEST CONDITIONCW
CW, Pf=20 mW
CW, Pf=20 mW
CW, Pf=20 mW,VRD=5 V
CW, Pf=20 mW

MIN
25655TYP
55
100
2.3150660

MAX
70135
2.8300665

UNIT
mAmAV
A
nm

PER660

CW-20-dB

PARAMETER
Threshold current
Operation current
Operation voltage
Monitor current
Peak wavelength
Polarization
Extinction Ratio*

SYMBOL
Ith785
Iop785
Vop785
Im785
p785

TEST CONDITIONCW
CW, Pf=40 mW
CW, Pf=40 mW
CW, Pf=40 mW, VRD=5 V
CW, Pf=40 mW

MIN
50775

TYP
35135
2.2
190
783

MAX
55
190
2.8
600
795

UNIT
mAmAV
A
nm

PER785

CW-20-dB* Polarization Extinction Ratio is specified for onky PMF types of QLM4F02-48536678-1P/2P and not for SMF type.

3/5

QLM4F02-48536678
6.

C00254-08

OUTLINE DRAWINGElectrical connector
D-subminiature, 26pin, female

Polarization State(PMF)

FC/APC or FC/PC connector

3/5

QLM4F02-48536678
7.

C00254-08

PIN ASSIGNMENT OF ELECTRICAL CONNECTOR

Electrical connector: D-subminiature, 26pin, female
Pin No.
Function
Pin No.
1
2
3

LD Anode19

WDM module Thermistor(+)

LD Cathode20

WDM module Thermistor(-)

PD Anode21

Cooler(+)

4PD Cathode22

Cooler(+)

5LD Anode

23Cooler(+)

LD Cathode

24Cooler(-)

PD Anode

25Cooler(-)

26Cooler(-)

67660nmShort-Circuit

8

PD Cathode

9NC

10

LD Anode

1112785nm

Short-Circuit

LD CathodePD Anode13

PD Cathode14

Common Cathode (DFB,SOA)

15

DFB Anode

16

8.

488nm

Function

532nm

SOA Anode17

PD Anode18

PD Cathode

PRODUCT PART NUMBER
Part Number

Fiber TypeFiber Diameter

QLM4F02-48536678-1P

Polarization
maintaining fiber

900um

Single mode fiber

900um

QLM4F02-48536678-2P
QLM4F02-48536678-1S
QLM4F02-48536678-2S

4/5

Connector
FC/APCFC/PC
FC/APCFC/PC

QLM4F02-48536678

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9. NOTICE• Safety Information
This product is classified as Class 3B laser product, and complies with 21 CFR Part 1040.10.
Please do not take a look laser lighting in operations since laser devices may cause troubles to human eyes.
Please do not eat, burn, break and make chemical process of the products since they contain GaAs material.
• Handling products
Semiconductor lasers are easily damaged by external stress such as excess temperature and ESD.
Please pay attention to handling products, and use within range of maximum ratings.
QD Laser takes no responsibility for any failure or unusual operation resulting from improper handling, or unusualphysical or electrical stress.
• RoHSThis product conforms to RoHS compliance related Directive (EU) 2015/863.

QD Laser, Inc.
Contact : info@qdlaser.com
http://www.qdlaser.com
Copyright 2021 All Rights Reserved by QD Laser, Inc.
Address : Keihin Bldg. 1F 1-1 Minamiwataridacho, Kawasaki-ku, Kawasaki, Kanagawa Zip 210-0855 JapanAll company or product names mentioned herein are trademarks or registered trademarks of their respective owners. Information
provided in this data sheet is accurate at time of publication and is subject to change without advance notice.

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