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Precisometer

SLM, narrow linewidth, coherence

SF-III-15501550 nm infrared single-frequency laser

1550 nm

The SF-III-1550 is a precision 1550 nm Single-Frequency laser delivering 1~40 mW output power. View technical specifications and request the full datasheet from Precisometer.

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Specifications

SF-III-1550

2 specification rows

Wavelength1550 nm
Output / average power1~40 mW
Beam / notes0.6 nm linewidth

What do you need?

The full datasheet for this model is on request. Tell us the output power, linewidth and beam delivery you need, and we'll reply with the matching configuration and lead time.

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Model selection

Nearby series comparison

Compare SF-III-1550 with the closest available models in the Single-Frequency Lasers family.

Selection parameterSF-III-1550 (current)SF-D-15501342
Wavelength1550 nm1550 nm1342 nm
Optical power / pulse energy1~40 mW1~15 mW1~500 mW

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Compare the SF-III-1550 with nearby single-frequency 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.

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

Open guide
Piezoelectric fiber polarization controller with fiber-squeezing elements
Photonics
9 min Poincaré lab

Fiber polarization control

Single-mode fiber does not preserve polarization. Pin the state, erase it with a scrambler, or maintain it in PM fiber — which one your measurement needs, and the response time and extinction ratio that decide it.

Open guide