Power stability, linewidth, beam quality

LDM-1550-15-21550 nm infrared CW laser

1550 nm

The LDM-1550-15-2 is a precision 1550 nm CW laser delivering 15 W output power. View technical specifications, download the datasheet, and request configuration options from Precisometer.

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Specifications

LDM-1550-15-2

12 specification rows

Wavelength	1550 nm
Output / average power	15 W
Beam / notes	Fiber Core Diameter (um): 200
Operating Voltage	12 / V
Fiber Core Diameter	200 / μm
Fiber Length	1-5 / m
Fiber Connector	SMA905 / -
Operating Temperature	15 / 35
Operating Relative Humidity	- / 75 / %
Cooling Mode	- / Water cooling(25℃) / -
Storage Temperature	-20 / 80
Storage Relative Humidity	- / 90 / %
Lead Soldering Temperature(10 s max)	- / 250

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Model selection

Nearby series comparison

Compare LDM-1550-15-2 with the closest available models in the CW Lasers family.

Selection parameter	LDM-1550-15-2 (current)	FC-OEM-1550	PGL-LF-1550
Wavelength	1550 nm	1550 nm	1550 nm
Optical power / pulse energy	15 W	1~180 mW	1~10 mW

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Compare the LDM-1550-15-2 with nearby cw lasers across the wavelength range.

Choosing a laser

Guides that put this laser in context

Which specifications decide the experiment, and which ones cost money without changing the result.

Laser emission spectrum, intensity noise traces, and beam quality profiles illustrating the main laser specifications

13 min Spec lab

Laser specifications decoded

Linewidth, spectral width, RIN, M², and coherence length answer five different questions. Translate each into the units your experiment is designed in — and learn which ones not to pay for.

Low-noise laser head and controller of the type specified for optical trapping

Optical trapping

16 min 2 simulations

Choosing a laser for optical tweezers

Why wavelength is decided by photodamage, focal heating, and detector bandwidth rather than trapping force — and what laser noise costs you in piconewtons.

Fluorescently labeled cells in a sharp confocal focal plane

Confocal microscopy

14 min Design lab

Designing a confocal fluorescence excitation system

Connect fluorophores, pinhole size, Airy units, spatial sampling, scan timing, modulation, and power after the fiber in one practical design workflow.