1310nm Pulse Laser Module for OTDR

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1310nm Pulse Laser Module for OTDR

This series of 1310nm pulse laser module can be used asthe transmitting device in OTDR system. The light pulse it produces experienceback-reflection in the optical fiber. Then, with the help of the reflectionsignal from the detector, users can get information like the length of theoptical fiber and the loss in the transmission.

The pulse lasermodule can produce the laser with the wavelength ranging from 1290nm to 1330nmand the spectral width is from 0.5nm to 10nm.In addition, the pulse width is10us with the duty of 1%. It also produce high output power of 1oomW and the IFPis 450mA.

With a built-in monitor, our lasermodule can make fault location for the optical fiber and can also be widelyapplied in the construction and maintenance of the optical cable. It workssteadily under the temperature from 0℃to 60℃ with the relative humidity of 85%.The pulse laser module can provide the output power for 70mW to 100mW. With thepigtail of 0.5m or 1m, our product can serve as the light sourceand easily be connected to the OTDR measurement device

AbsoluteMaximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit
Pulsed Forward Current*1	IFP			1000	mA
Reverse Voltage	VR			2	V
Reverse Voltage (monitor PD)	VRM			10	V
Reverse Current (monitor PD)	IFPM			2	mA
Operating Case Temperature	TC			60	℃
Storage Temperature	Tstg	-40		85	℃
Lead Soldering Temperature	Tsld			260(10s)	℃
Relative Humidity (noncondensing )	RH			85	%

CharacteristicsOptical & Electrical

Parameter	Symbol	Min.	Typ .	Max.	Unit	Notes
Forward Voltage	VFP			3.5	V	IFP = 450 mA, PW = 10 μ s, Duty = 1%
Threshold Current	Ith		8	30	mA
Optical Output Power From Fiber	Pf	70	100		mW	IFP = 450 mA, PW = 10 μ s, Duty = 1%
Center Wavelength	λC	1290	1310	1330	nm	RMS (−20 dB), IFP = 450 mA , PW = 10 μs , Duty = 1%
Spectral Width	σ		5	10	nm	RMS (−20 dB), IFP = 450 mA , PW = 10 μs , Duty = 1%
Rise Time	tr		0.5	2.0	ns	10-90%
Fall Time	tf		0.5	2.0	ns	90-10%
Forward Current (CW)	Ifcw		15		mA	Pfcw = 2 mW
Monitor Current	Im	0.05		2	mA	Pfcw = 2 mW , VRM = 2 V

Pin Description

PackageOutline

OrderInformation

MLD-F31W2-XAXXX

-F

-X

Mode

Product

Type

Wavelength

Insolator

Rate

Connector

Pigtail Color

Pigtail length

Power

Range

F ：FP

31 ：1310nm

W ：Without

2 ：2.5Gb/s

1 ：FC/APC

2 ：FC/PC

3 ：SC/APC

4 ：SC/PC

5 ：LC/PC

6 ：LC/APC

A ：725

H ： Yellow

B ：Nature

R ：Milk White

5 ：0.5m

1 ：1m

o2 ：＞20mW ＜30mW

o4 ：＞40mW ＜60mW

o6 ：＞60mW ＜80W

o8 ：＞80mW ＜100mW

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