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Spectrometer

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Notes tagged with spectrometer

parent: spectrometry

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Honlian 60s LED nail polish hardener, various LED fluorescence updates

by warren almost 2 years ago | 10 | 1,012 | 0

A nail polish hardening, USB-powered UV lamp at 398nm, for under $4. Read on! I've been c...

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Various CFLs with Different Spectra

by Matej about 2 years ago | 14 | 885 | 1

I was testing two different CFLs looking for differences in their spectra. Since I found that th...

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405nm LED vs Laser

by stoft about 2 years ago | 19 | 2,372 | 1

Abstract 405nm Lasers provide a powerful, narrow-band, pin-point source of monochromatic U...

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The effect of dilution on the emission spectrum of diesel fuel

by ethanbass about 2 years ago | 2 | 888 | 5

I wanted to investigate how the spectral profile an oil sample is affected by the dilution of ...

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Absorbance of grass in blue light

by vanjo63 about 2 years ago | 10 | 1,669 | 3

Hello everybody, I am a student in biochemistry at the University of Li├Ęge in Belgium, and I have...

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Preliminary LED and isopropyl alcohol solvent tests for oil fluorescence analysis

by warren about 2 years ago | 6 | 2,036 | 4

Just wanted to post a followup to @matej's post about the Sunview Luncheonette event -- we had a ...

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Report: Public Lab Workshop at Sunview

by Matej about 2 years ago | 2 | 1,337 | 3

[![PL_Workshop_Sunview-3356.jpg](//i.publiclab.org/system/images/photos/000/014/411/medium/PL_Wor...

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Laser Eye Safety!

by dhaffnersr about 2 years ago | 2 | 903 | 3

I just wanted to post up a quick note about the importance of using appropriete eye wear when usi...

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Hypersperctral imaging using DIY kits

by amirberAgain about 2 years ago | 25 | 2,741 | 2

A couple of years ago a friend showed me how a hyper spectral camera works. I cam to the realizat...

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Announcing Spectral Workbench 2

by warren about 2 years ago | 0 | 4,249 | 4

A couple weeks ago, we soft-launched Spectral Workbench 2, a...

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Oil Testing Kit Initial Electronics

by cbreuer about 2 years ago | 7 | 1,002 | 4

I'm currently working on designing the electronics and code, and eventually working on Jeff's ...

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Baseline noise removal test in Spectral Workbench 2

by warren about 2 years ago | 9 | 707 | 0

I want to test out some of the new tools in [Spectral Workbe...

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CFL Selection

by stoft about 2 years ago | 3 | 1,470 | 3

Introduction Wavelength calibration of a PLab spectrometer requires a stable light source ...

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This CFL works the best

by dhaffnersr about 2 years ago | 4 | 1,205 | 2

After a thousand spectral tests, I have found one CFL that I have gotten a quality calibration fi...

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Tube fluorescent lamps for spectrometer calibration

by warren about 2 years ago | 13 | 1,021 | 2

I wanted to follow up on this post with a couple screenshots of an attempted calibration I jus...

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Natural tool light dimming tool

by eigentuininhuis about 2 years ago | 0 | 653 | 0

I wanted to calibrate nicely but i got over exposure So i tried the outer layer of a mango see...

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Attempts at Spectrometer stability pics

by dhaffnersr about 2 years ago | 0 | 824 | 1

****Here are some shots of modifications I have made in the last few days to the spectrometer, th...

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