1658nm High power Narrow linewidth DFB Laser diode

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.

Name	Model	Description	Parameter	Price
1658nm 50mW High power DFB Narrow linewidth laser diode [PDF] [RFQ]	PL-DFB-1658-500-50-A81-SA-NL-C1.0 (Stock NO. Not entered)	Central wavelength 1658nm, Optical output ＞50mW; Narrow linewidth ＜500KHz; with TEC; Optical Isolation 40dB; SMF-28E; FC/APC	Central wavelength: 1658nm Output power: 50mW Package: 14pin - BF Lead Time: 3-4 weeks	[Please inquire] Call us
1658nm 50mW High power DFB Narrow linewidth laser diode [PDF] [RFQ]	PL-DFB-1658-500-50-A81-PA-NL-C1.0 (Stock NO. Not entered)	Central wavelength 1658nm, Optical output ＞50mW; Narrow linewidth ＜500KHz; with TEC; Optical Isolation 40dB; PM Fiber; FC/APC	Central wavelength: 1658nm Output power: 50mW Package: 14pin - BF Lead Time: 3-4 weeks	[Please inquire] Call us

Name

Model

Description

Parameter

Price

1658nm 50mW High power DFB Narrow linewidth laser diode [PDF] [RFQ]

PL-DFB-1658-500-50-A81-SA-NL-C1.0
(Stock NO. Not entered)

Central wavelength 1658nm, Optical output ＞50mW; Narrow linewidth ＜500KHz; with TEC; Optical Isolation 40dB; SMF-28E; FC/APC

Central wavelength: 1658nm

Output power: 50mW

Package: 14pin - BF

Lead Time: 3-4 weeks

[Please inquire]

Call us

1658nm 50mW High power DFB Narrow linewidth laser diode [PDF] [RFQ]

PL-DFB-1658-500-50-A81-PA-NL-C1.0
(Stock NO. Not entered)

Central wavelength 1658nm, Optical output ＞50mW; Narrow linewidth ＜500KHz; with TEC; Optical Isolation 40dB; PM Fiber; FC/APC

Central wavelength: 1658nm

Output power: 50mW

Package: 14pin - BF

Lead Time: 3-4 weeks

[Please inquire]

Call us

Parameter

Features

● Width: 160KHz -500KHz

● Optical power: 60mW

● RIN noise: -163dBc/Hz@160KHz

Laser Specifications

Index	Symbol	Min	Typ	Maximum	Unit	Condition
Output Power	Po	40	60		mW	CW
Center Wavelength	λc	1657.5	1658	1658.5	nm	T=25℃
Spectral Linewidth (FWHM)	ΔνL		300	500	KHz	Lorentz linewidth
Side Mode Suppression Ratio	SMSR	40			dB	CW, @Po
Polarization Extinction Ratio	PER	18	26		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	10	25	40	ºC
Threshold Current	Ith		35	50	mA	@TTEC
LD Working Current.	Ib			350	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

Spectrum

Linewidth Measurement（CW,422.846 kHZ@25deg,200mA)

L-I Curve

Tuning Characteristics

Polarization Extinction Ratio Test（PM Version)

Package Size

Pin definition

1455.3.jpg

Pin Connection

PIN#	Function	PIN#	Function
1	Thermistor	8	Case Ground
2	Thermistor	9	Case Ground
3	LD(-)	10	NC
4	Detector (+)	11	LD(+)
5	Detector (-)	12	LD (–), RF
6	TEC (+)	13	LD (+)
7	TEC (–)	14	NC

Application

● Tunable diode laser absorption spectroscopy

● Lidar

● Long distance Fiber Communication

Ordering Info

PL-DFB-□□□□-△-☆-A8▽-XX-NL

□□□□: Wavelength

1550: 1550nm

*****

1658: 1658nm

△:Narrow linewidth

50: 50KHz

100: 100KHz

200: 200KHz

500: 500KHz

☆: Output Power

50: 50mW

100: 100mW

▽: Wavelength Tolerance

1: ±1nm

2: ±2nm

XX: Fiber and Connector Type

SA=SMF-28E+ FC/APC

SP=SMF-28E+ FC/PC

PP=PM Fiber+ FC/PC

PA=PM Fiber+ FC/APC

NL: Narrow Linewidth@160KHZ

1658nm High power Narrow linewidth DFB Laser diode

Product model

Parameter

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