1550nm 50mW 300KHz Linewidth DFB Laser Diode


Central wavelength 1550nm; Optical output 50mW; Narrow linewidth less than 300KHz; with TEC; Optical Isolation 40dB

Part Number  :  PL-DFB-1550-300-50-A81-PA-NL-C0.6
Unit Price  :  USD [Please inquire]
Lead time  :  in stock
Inventory quantity   :   [Please inquire]
Stock NO.   :  A80112012
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LD-PD INC DFB laser has the characteristics of ultra-low RIN noise, ultra-narrow linewidth and high output optical power. It is widely used in vehicle-mounted laser radar, optical fiber sensing detection system and high-precision measurement. We can provide customized services and corresponding technical support according to customers' needs.

Index

Symbol

Min

Typ

Maximum

Unit

Condition

Output Power

Po

60

80


mW

CW

Center Wavelength

λc

λI-0.5

*

λI

λI+0.5

nm

T=25℃

Spectral Linewidth (FWHM)

ΔνL


200

300

KHz

Lorentz linewidth

Side Mode Suppression Ratio

SMSR

40



dB

CW, @Po

Polarization Extinction Ratio

PER

20



dB

Applicable to polarization maintaining, along the slow axis

Relative Intensity Noise

RIN


-163

-155

dB/Hz


Optical Isolation Ratio

ISO

40



dB


TEC Set Temperature

TTEC

15


40

ºC


Threshold Current

Ith


15

30

mA

@TTEC

LD Working Current.

Ib



400

mA

CW, Po

LD Working Voltage

Vf


1.5

1.8

V

CW, Po

PD Bias Voltage

VR

4.75

5

5.25

V

Cathode to anode.

PD Current

Imc



2

mA

@Po

PD Dark Current

Imd



1

nA

VR=5V

Working Temperature

To

-40

25

80

⁰C


Storage Temperature

Ts

-40


80

⁰C


* λ I: c band ITU standard optional ITU-CXX (XX= 24, 28, 32 ,36, 44)


Spectrum

39L`K[SG1%(X$YOM20(DD`Q.jpg


Linewidth Measurement(CW,25deg) 

93f8f9abe1f6d1ad2cac7f453d480580.jpeg


L-I Curve

62cc07d6b5991.png

Tuning Characteristics

dee9d124158fdb33809e4c35c5a74cb4.jpeg


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