Questions tagged [fiber-optics]

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6
votes
4answers
6k views

Create a DIY light tube

I am working on a project to bring light into a bunker. The bunker is 3-4 meters below the ground. I am looking into bringing natural light into the space, instead of using electricity. The space is ...
5
votes
3answers
278 views

Could a water stream be used as a fiber optic sensor and detect when the stream is broken?

I have a small idea/project I am working on in which I want to use a water fiber optic sensor that can detect whether the water stream is broken and if so shut off the water. Having looked into fiber ...
3
votes
3answers
91 views

Why is the jacket or sheath of fibre optic endoscopes always black?

Why is the jacket or sheath of fibre optic endoscopes always black? Is it just a convention, or is there a more logical explanation for this?
3
votes
0answers
108 views

How does a cable-laying ship retrieve a partly-laid cable?

I was reading an article in the press this week about a project to lay an undersea cable across the Tasman Sea. The ship had had to return to port for repairs and return to complete the job later. ...
2
votes
1answer
116 views

How to Determine Tensile Strength of PMMA Optical Fiber?

I researched the properties of acrylic, or PMMA, and found different results on its mechanical properties. Tensile strength is a material property, but is it affected by shape or size? I’m working on ...
2
votes
0answers
48 views

How can the Microsoft and the Facebook Fibers reach 160 Tbps between Virginia and Bilbao?

According to this article, Microsoft and Facebook have completed a 160 terabits cross-Atlantic cable. Based on my calculations, this doesn't seem probable, so what did I miss in my calculation? The ...
1
vote
0answers
13 views

Emerging beam from PPLN waveguide not behaving well through optics

We have a pump laser beam that is coming out of a single mode fiber and butt coupled into a PPLN waveguide crystal. We are capturing the beam at the output of the crystal with the focusing lens in an ...
1
vote
2answers
85 views

What's the difference between pulsed lasers and frequency combs?

Can you please explain the difference between high-energy pulsed lasers and frequency combs?
1
vote
0answers
33 views

Use Fiber microscope to view micron sized particles

Can I use Fiber microscope to see micron sized particles? That's mean, can Fiber microscope be used as a typical optical microscope? Generic Handheld 400x Fiber Optical Microscope Inspection
0
votes
1answer
69 views

Can I use an optical fiber to direct a laser cutter? [closed]

Specifically, a 100W CO2 laser. Are there any considerations other than the maximum power for a fiber?
-1
votes
1answer
24 views

Connect LED with a 0.25mm fiber optic

I want to connect an LED (940nm signal) to a 0.25mm fiber optic. I have researched some possibilities, which involves using shrink heat tube, which is unfortunatly too large or simply buy couplers. I ...