Home Fiber Coupled Laser Diodes Wavelength Stabilized Laser Diodes Wavelength stabilized single mode fiber coupled laser diode 20mW @ 1490nm, QDFBLD-1490-20

Wavelength stabilized single mode fiber coupled laser diode 20mW @ 1490nm, QDFBLD-1490-20

Wavelength stabilized single mode fiber coupled laser diode 20mW @ 1490nm, QDFBLD-1490-20
Online price: $890.00
Quantity: 10+ Items
List price: $801.00
*Note:
    • DFB wavelength stabilized single mode laser.
    • CW or pulsed operation.
    • Operating temperature range -40 oC to +50oC.
    • Wavelength/temperature coefficient 0.1nm/oC
    • Wavelength/current coefficient 2-4pm/mA
    • Built-in monitor photodiode, thermo-electric cooler and thermistor.
    • Single mode (Corning SMF-28, NA=0.14, MFD=8.2um) fiber pigtail.
    • Optional PM fiber, FC/PC or FC/APC connector.
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Specifications

Test conditions: temperature 25oC, CW operation

Parameter

Symbol

Min

Typ

Max

Unit

Output power from pigtail

Pf

 

20

 

 mW

Wavelength

l

1485

1490

1495

nm

Wavelength temperature tunability

-

 

0.1

 

nm/oC

Spectral width (FWHM)

Dl

 

<0.01

 

nm

Forward current

If

 

75

120

 mA

Threshold current

Ith

 

15

30

mA

Forward voltage

Vf

 

1.2

1.5

V

Rise time in pulse mode

tr

 

 

0.5

ns

Monitor current @ VrPD=5V

Im

0.05

 

1

mA

TEC current @  DT = 50oC

ITEC

 

 

1.2

A

TEC voltage @ DT = 50oC

VTEC

 

 

2

V

Thermistor B constant

 

 

3900

 

K

Thermistor resistance

 

9.5

10.0

10.5

kOhm

Storage temperature

Tstg

-40

 

85

oC

Operating case temperature

Tc

-40

 

50

oC

PD reverse voltage

VrPD

 

5

15

V

Lead soldering temperature @ 10s

-

 

 

260

oC

 

Spectrum

Pin Configuration

Additional information

  • Wavelength selection available. Visit Special Selection category for online selection from stock or contact us for more options.
  • For key-aligned connector, the key is aligned with slow axis of the PM fiber and the direction of polarization.
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