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LIEKKI™ OE-YB-L-100

LIEKKI™ OE-Yb-L-100 optical engines are plug-and-play laser modules for 50 to 100 W average output power for fiber laser applications. The optical engines are fully integrated fiber laser subassemblies with pump input fibers ready for splicing and signal output fiber available as a pigtail or with collimating optics.

The efficiency and design gives the application designer the flexibility to create a wide range of powerful and easy-to-use solutions.

Optical specifications
Rated output power	100 W¹
Central emission wavelength	1090 (optional 1060 - 1080) nm, +/- 2 nm²
Mode of operation	CW, quasi CW
Polarization	Random
Pump wavelength	Center wavelength 915 - 920 nm, FWHM < 5 nm³
Emission bandwidth (FWHM)	< 2 nm
M²	1.5 to 2.0
Optical-optical efficiency	> 50%⁴
Mechanical specifications
Package size, mm	350 x 270 x 50⁵
Weight	6.5 kg
Pump output fiber	Single output fiber⁶
Pump input fibers	6 x 200/220 µm (0.22 NA)⁶
Input power per pump fiber	35 W
Cooling	Water⁷
Environmental specifications
Operating temperature range	+10 to +30 °C
Operating humidy range	5 to 90% RH
Storage temperature range	+0 to +70 °C
Storage humidity range	5 to 90% RH
Options
1) OE spliced to pump diodes⁸ 2) Connectorized pump input fibers⁹ 3) Output cable with collimator¹⁰

¹	17 to 20 °C water temperature, 5 l/min flow.
²	Optional wavelengths reduce optical-optical efficiency.
³	Pump wavelengths outside this range decrease the optical-optical efficiency and may lead to device overheating or failure.
⁴	At specified pump and emission wavelengths, > 75 W of output power.
⁵	Excluding water connectors and glands for output cables.
⁶	Fiber(s) protected within a metal cable. Fiber length (Outside the optical engine) > 0.5 m typical.
⁷	Input water pressure 2 bar max. Nominal cooling water temperature 17 to 20 °C, flow > 5 l/min.
⁸	Available for all 200/220 µm, 0.22 NA fiber coupled pump sources.
⁹	SMA connectors available for selected pump suppliers.
¹⁰	Collimated beam diameter 2 to 2.5 mm, 2.2 mm typical.

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