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Member

Join Date: Dec 2019
Posts: 8

How About the Narrow Linewidth Laser I Recently Bought?

02/28/2024 7:17 PM

I recently bought a 1550nm 3kHz linewidth fiber laser from CivilLaser. Help me see how it goes. The following are its relevant parameters.

This is a 1550nm 200mW narrow linewidth laser source. The output optical fiber is available in SM/PM, here is the PM optical fiber. And it is fixed on the laser and is not pluggable. The optical fiber interface and length can be customized.

The laser output power can be adjusted through the button, the adjustment range is 10%~100%, and the adjustment accuracy is 1mW. The working Temperature can be fine-tuned, which can affect the laser wavelength. The adjustment accuracy is 0.01℃. The laser can also be controlled through software, and the interface on the laser is RS2023.

Parameter table of 1550nm narrow Linewidth Laser. The linewidth of this laser is 2.64kHz.

Spectral chart and power stability test chart.

Line width test report.

The working Temperature can be fine-tuned, which can affect the laser wavelength.

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Guru

Join Date: May 2006
Location: Placerville, CA (38° 45N, 120° 47'W)
Posts: 6215
Good Answers: 248
#1

Re: How about the narrow linewidth laser I recently bought?

03/02/2024 11:12 AM

1550nm is way down in the IR portion of the spectrum, so you can't see it. I believe that 200mW is too low power to do any burning or cutting, so what is it used for?

Since the fiber is not removable, it sounds like when the fiber gets damaged, the unit becomes worthless.

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Participant

Join Date: Oct 2025
Posts: 1
#2

Re: How About the Narrow Linewidth Laser I Recently Bought?

10/15/2025 4:54 AM

This is nice content from you. I really appreciate for that. Thank you so much for that.

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Participant

Join Date: Oct 2025
Posts: 3
#3

Re: How About the Narrow Linewidth Laser I Recently Bought?

10/22/2025 12:59 AM

Thank you so much

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