Spectrometer

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Notes tagged with spectrometer

parent: spectrometry

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Various CFLs with Different Spectra

by Matej over 2 years ago | 14 | 936 | 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 over 2 years ago | 19 | 2,620 | 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 over 2 years ago | 2 | 913 | 4

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 New Contributor over 2 years ago | 10 | 1,741 | 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 over 2 years ago | 6 | 2,110 | 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 over 2 years ago | 2 | 1,363 | 2

[![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 over 2 years ago | 2 | 907 | 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 over 2 years ago | 25 | 3,086 | 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 over 2 years ago | 0 | 4,283 | 4

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

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Oil Testing Kit Initial Electronics

by cbreuer over 2 years ago | 7 | 1,025 | 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 over 2 years ago | 9 | 710 | 0

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

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CFL Selection

by stoft over 2 years ago | 3 | 1,525 | 3

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

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This CFL works the best

by dhaffnersr over 2 years ago | 4 | 1,222 | 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 over 2 years ago | 13 | 1,075 | 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 over 2 years ago | 0 | 656 | 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 over 2 years ago | 0 | 827 | 1

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

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Prototype incident light blocker

by dhaffnersr over 2 years ago | 2 | 804 | 2

[![20160201_132119.jpg](//i.publiclab.org/system/images/photos/000/014/019/medium/20160201_1...

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Tiny spectromter - Hacking a LASER barcode scanner

by shubham over 2 years ago | 11 | 2,813 | 1

As we know there are primarily two types of barcode scanners - CCD based and Laser based. CCD ...

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Test results today using a .18mm slit

by dhaffnersr over 2 years ago | 0 | 1,118 | 0

Below are some of my test results for today, I replaced the slit that comes with the spectrometer...

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UV scan results analyzed (intitial findings)

by dhaffnersr over 2 years ago | 0 | 563 | 0

I am using a program called Spekwin32 as my spectral analyzing software. [![UV_analy...

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Near-infrared absorption spectroscopy

by shubham over 2 years ago | 2 | 1,103 | 2

I am working on the design of a moderate resolution (2-3nm) visibile-near-infrared (400-1100nm...

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OTK Proto3 Analysis

by stoft over 2 years ago | 5 | 1,461 | 2

Preface In my previous Research Note 'OTK Proto3' ( https://publiclab.org/notes/stoft/01-1...

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