Fibre laser

VP5.8.7.1

Fibre laser

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Description

In the experiment P5.8.7.1, an Erbium doped fibre is used as active material. Connected to a pump laser, the fluorescence from the erbium fiber is analysed. Before the laser operation at 1.5 µm is studied, the lifetime of the exited state is measured. To form a ring laser a WDM is used to couple the pump light into the fibre and to close the laser ring structure. The ring is opened where a thin glass plate couples a small fraction of the clockwise (cw) and counter clockwise (ccw) laser modes towards a detector.

Components of equipment sets

1	474104 8	Focussing Optics, f = 60 mm
1	4745308	Bandpass filter 1.5 µm in C25
1	474190	Fused WDM Coupler 980/1550 nm
1	474191	Fibre collimator with ST connector, left
1	474192	Fibre collimator with ST connector, right
1	474194	ST coupler in C25 mounted
1	4741898	Erbium Doped Fibre Module 8 m
1	474246	Output coupling module
3	4745296	Fibre Patch Cable ST/ST, Length 0.25 m
1	4745297	Fibre Patch Cable ST/ST, Length 1 m
1	4744025 4	IR converter screen 800 - 1400 nm
1	4743061	Photodetector signal conditioning box
1	474108	SiPIN photodetector
1	4741084	InGaAs Photodetector
1	5753041	Digital storage oscilloscope 70 MHz
2	50106 4	HF-Cable, BNC-BNC, 1.5 m
1	4743021	Controller for Diode Laser
1	4745426	Diode laser module, ST fibre connector
1	4745442 4	Profile rail 500 mm
1	4745444	Profile rail 1000 mm
1	474209 8	Mounting Plate C25 with Carrier 20 mm
2	474251 8	Transport and Storage Box #01
1	4747110 4	LIT-print: Fibre Laser
1	474189	* Erbium doped fibre 2 m module, ST connect
1	4741894	* Erbium Doped Fibre Module 4 m
1	4741896	* Erbium Doped Fibre Module 16 m
1	4745278	* Passive mode locker module 1.5 µm
1	4745279	* Optical isolator 1.5 µm
2	4746111	* Laser safety goggles 808 and 1064nm

Articles marked with * are not essential, we do however recommend them to carry out the experiment.

Experiment Instructions

PDF (Experiment description)

P5.8.7.1 Fibre laser

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Fibre laser

Description

Components of equipment sets

Experiment Instructions

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