FP Pulsed Diode Laser

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The FP pulsed diode laser (for OTDR system) can operate either in the pulsed mode or DC mode. It has the advantages of low threshold current, great output efficiency, and high current-carrying capacity. This series of product can be supplied with the optional multi-mode fiber-optic output. It is mainly used for the OTDR system as well as Raman backscattering based communication and test system.

1310nm Pulse Laser Diode For OTDR

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Package Outline

1490nm Pulsed Laser Module for OTDR

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Optical & Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Forward Voltage	VFP			3.5	V	IFP = 400 mA, PW = 10 μs, Duty = 1%
Threshold Current	Ith		20	35	mA
Optical Output Power From Fiber	Pf	40	60		mW	IFP =400 mA, PW = 10 μs, Duty = 1%
Center Wavelength	λc	1470	1490	1510	nm	IFP = 400 mA, PW = 10 μs, Duty = 1%
Spectral Width	σ			4	nm	RMS (−3 dB)
Rise Time	tr		0.5	2.0	ns	10-90%
Fall Time	tf		0.5	2.0	ns	90-10%
Monitor Current	Im	0.05		2	mA	VRM = 5V

1550nm Pulse Laser Modules for OTDR

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Optical & Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Forward Voltage	VFP			3.5	V	IFP = 450 mA, PW = 10 μs, Duty = 1%
Threshold Current	Ith		20	35	mA
Optical Output Power From SM Fiber	Pf	60			mW	IFP =450 mA, PW = 10 μs, Duty = 1%
Center Wavelength	λc	1530	1550	1570	nm	PW = 10 μs, Duty = 1%
Spectral Width	σ			4	nm	RMS (−3 dB)
Rise Time	tr		0.5	2.0	ns	10-90%
Fall Time	tf		0.5	2.0	ns	90-10%
Monitor Current	Im	0.05		2	mA	VRM = 5V

1625nm Pulse Laser Modules for OTDR

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Our 1625nm pulse laser modules for OTDR is equipped with high power FP chip with low threshold current and high-efficiency output. Capable of affording high current, the pulsed laser module can operate in dual mode, pulse and direct current. The multi-mode fiber is optional. This laser diode is generally used in the communication and testing system employing OTDR and Raman light reflection principle.

Optical & Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Forward Voltage	VFP			3.0	V	IFP = 400 mA, PW = 10 μs, Duty = 1%
Threshold Current	Ith		20	35	mA
Optical Output Power From Fiber	Pf	40			mW	IFP =400 mA, PW = 10 μs, Duty = 1%
Center Wavelength	λc	1620	1625	1630	nm	IFP =400 mA, PW = 10 μs, Duty = 1%
Spectral Width	σ			4	nm	RMS (−3 dB)
Rise Time	tr		0.5	2.0	ns	10-90%
Fall Time	tf		0.5	2.0	ns	90-10%
Monitor Current	Im	0.05		2	mA	VRM =5 V

30MW 1650nm Pulses Laser Diode Module For OTDR

(If customers would like to know more about the details, please click here to download the followingfile.)

Optical & Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Forward Voltage	VFP			3.0	V	IFP = 400 mA, PW = 10 μs, Duty = 1%
Threshold Current	Ith		20	35	mA
Optical Output Power From Fiber	Pf	30			mW	IFP =400 mA, PW = 10 μs, Duty = 1%
Center Wavelength	λC	1645	1650	1655	nm	IFP = 400 mA, PW = 10 μs, Duty = 1%
Spectral Width	σ			4	nm	RMS (−3 dB)
Rise Time	tr		0.5	2.0	ns	10-90%
Fall Time	tf		0.5	2.0	ns	90-10%
Monitor Current	Im	0.05		2	mA	VRM =5 V

As an experienced FP pulsed diode laser (for OTDR system) manufacturer and supplier in China, our company also offers 8-10mw 1653.5nm butterfly pigtailed laser modules for gas detection, butterfly fiber coupled laser diodes, Pin TIA receiver, and more.

Related Names
Pulsed Mode Laser Diode | Laser Diode to Generate Pulse of Light | Laser Diode for OTDR Application