Old 02-24-2017, 09:32 AM #1
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Default Krypton filled Fibre Supercontinuum laser

I just thought I'd share this with everyone.
A UV to IR supercontinuum laser has been created with the assistance of Krypton gas. 300nm to 3100nm.

Here is the link:

Laser Focus World

Now for it to be made handheld.


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Old 02-24-2017, 10:22 AM #2
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Default Re: Krypton filled Fibre Supercontinuum laser

Very nice, looks like it is going to be applied to microspectroscopy

Last edited by HydroSean; 02-24-2017 at 10:36 AM. Reason: misread prefix
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Old 02-24-2017, 10:30 AM #3
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Default Re: Krypton filled Fibre Supercontinuum laser

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Originally Posted by HydroSean View Post
It's only continuous for <300nm though
Where did you read that? It is a pulsed laser with no output below 300nm.
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Old 02-24-2017, 10:35 AM #4
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Default Re: Krypton filled Fibre Supercontinuum laser

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Originally Posted by CurtisOliver View Post
Where did you read that? It is a pulsed laser with no output below 300nm.
Oh I misread the metric prefixes my bad, so yeah it is 300nm to 3100nm haha thanks for the correction. Then that means there isnt much pharmaceutical application since most peptides absorb around 300nm
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Old 02-24-2017, 10:38 AM #5
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Default Re: Krypton filled Fibre Supercontinuum laser

No problem. No probably won't be useful for that, but I'm sure many applications will be found for it, and also probably many improvements as well.
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Old 02-24-2017, 10:41 AM #6
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Default Re: Krypton filled Fibre Supercontinuum laser

Quote:
Originally Posted by CurtisOliver View Post
No problem. No probably won't be useful for that, but I'm sure many applications will be found for it, and also probably many improvements as well.
I guess it could be used to measure and validate the wavelengths of those billions of quantum dots in those new SUHD TVs
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Old 02-24-2017, 10:51 AM #7
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Default Re: Krypton filled Fibre Supercontinuum laser

I'm not too sure to be honest. If I can recall, you only need the blue part of the spectrum for them to work, but I might be wrong.
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Old 02-24-2017, 05:55 PM #8
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Default Re: Krypton filled Fibre Supercontinuum laser

Thanks for sharing, just found this post.
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Old 02-24-2017, 06:08 PM #9
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Default Re: Krypton filled Fibre Supercontinuum laser

You're welcome Alaskan.
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Old 02-24-2017, 07:20 PM #10
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Default Re: Krypton filled Fibre Supercontinuum laser

Link to actual article:

Generation of Broadband Mid-IR and UV Light in Gas-Filled Single-Ring Hollow-Core PCF
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Old 02-24-2017, 07:42 PM #11
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Default Re: Krypton filled Fibre Supercontinuum laser

Thanks H2Oxide for sharing the science paper.
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Old 02-24-2017, 10:07 PM #12
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Default Re: Krypton filled Fibre Supercontinuum laser

I subscribe to Laser Focus World and have been getting it for over a year, but I rarely have the time to read much of it these days. Just scan the articles. Hopefully all that will change in the next few months and I'll be able to read more than I do now. Thanks for all who brought this here. I found it interesting.
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Old 02-24-2017, 10:48 PM #13
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Default Re: Krypton filled Fibre Supercontinuum laser

On a separate note I came across an article on BICs in an electronics magazine and a search lead me to LFW, I often read there online but don't subscribe, I don't know what may come of this but it's interesting.

http://www.laserfocusworld.com/artic...plication.html
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Old 02-25-2017, 12:50 AM #14
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Default Re: Krypton filled Fibre Supercontinuum laser

I was wondering how one could store light information in a BIC that, instead of plugging light leaks, destroys it through destructive interference. I guess that is a problem for future designers.
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Old 02-25-2017, 04:33 AM #15
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Default Re: Krypton filled Fibre Supercontinuum laser

Binary at the least, it's a question of what can be printed smaller, I know an electron can absorb and emit photons so I assume photons are smaller than electrons, in the end a jump drive may hold trillions of bits of static photons rather than electrons.

Now what I want is the gamma laser they print the things with.
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Old 02-25-2017, 03:47 PM #16
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Default Re: Krypton filled Fibre Supercontinuum laser

RCB, I never thought which was larger, a photon or an electron, so I went searching, found this answer:

The electron is larger. Although it has a small mass, a photon has no mass. A photon is the smallest unit of energy that can exist. It is the carrier particle for the electromagnetic force.

Cyparagon, where are you?
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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