US-Lasers: 655nm-20mW - Red Laser Diode and Red Diode Laser Module

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Laser Diodes Laser Diode Module Micro Laser Module Variable Output
Laser Diode Module

NM655-20

EPM655-20
DATA SHEETS .... EPM & NM655nm 20mW ....RED LASER MODULE & DIODES
Barrel Specs:
  • 3/8 - 56 Thread Size
  • Dia: 10.4mm
  • Length:  17mm
Collect Specs:
  • 3/8 - 56 Thread Size
  • 4.3mm Aperture
  • Half Hard Brassbbb
 Lens Housing Specs:
  • 3/8 - 56 Thread Size
  • 3.7mm Aperture
  • 7mm Plastic Lens

VISIBLE DIODE LASER DATA SHEET           ABSOLUTE MAXIMUM RATINGS - (Tc=25 °C)

TECHNICAL DATA for LASER DIODE
  • Index Guided MQW Structure
  • Wavelength: 655nm (Typ.)
  • Optical Power: 20mW CW
  • Threshold Current: 40mA (Typ.)
  • Standard Package: 9mm

Visible laser diode light output      655nm

Pin Out Diagram - Style A

Optical power output   20mW CW
Package Type             9mm
Built-in photo diode for monitoring laser output
Items

Symbols

Values

Unit

Optical output power

Po

20

mW

Laser diode reverse voltage

VLDR

2

V

Photo diode reverse voltage

VPDR

30

V

Operating temperature

Topr

-10 ~ +40

°C

Storage temperature

Tstg

-40 ~ +85

°C

 

OPTICAL and ELECTRICAL CHARACTERISTICS - (Tc=25 ºC)

Items

Symbols

Min.

Typ.

Max.

Unit

Test Condition

Optical output power

Po

-

20

-

mW

-

Threshold current

Ith

20

40

60

mA

-

Operating current

Iop

50

70

90

mA

Po=20mW

Operating voltage

Vop

2.0

2.4

2.7

V

Po=20mW

Lasing wavelength

8 D

645

655

665

nm

Po=20mW

Beam divergence

q F

8

10

11

deg

Po=20mW

Beam divergence

q z

25

31

40

deg

Po=20mW

Slope Efficiency (mW/mA)

0

0.3

0.7

0.9

-

Monitor current

Im

10

50

90

m A

Po=20mW,Vr=5V

Astigmatism

As

-

11

-

m m

Po=20mW

MTTF

3000-5,000 hrs.

Po=20mW,NA=0.4

Emitter Distance to Cap Lens 0.3mm
Emitter Size 1 x 4 Microns
Structure  Index Guided

laser diodes and laser modules