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Notes tagged with spectrometer parent: spectrometry

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Reduce light inside foldable PL spectrometer

by xose 16 days ago | 4 | 626 | 4

Reduce reflexions inside the papercraft [foldable spectrometer](https://publiclab.org/wiki/folda...

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Intro al espectrómetro de Public Lab en la Bilbao Maker Faire

by pablo 22 days ago | 2 | 269 | 0

En esta sesión este viernes se explicará cómo hacer [un espectrómetro 3.0](https://publiclab.org...

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olive oil absorbance spectrum

by wjopt 26 days ago | 1 | 184 | 0

tset the olive oil [![olive_oil_absorbance_spectrum.png](https://publiclab.org/system/images/ph...

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How to do upgrade Desktop Spectrometer Kit 2.0 to the version 3.0

by pablo 29 days ago | 0 | 433 | 0

This research note is in progress, I'll update keep updating it. I am preparing a spectrome...

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High-Rez WebCam Spectrometers

by stoft about 1 month ago | 6 | 710 | 1

Abstract Having experimented with software algorithms to enhance the PLab-3 spectrometer d...

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Spectrometer Light Tight Cover Build

by stef about 1 month ago | 3 | 381 | 2

Having removed the IR filter from my spec camera, the sensitivity increased dramatically where b...

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Camera Focus IR Filter Removal

by stef about 1 month ago | 7 | 460 | 3

This modification is specific to the camera shipped with the PLAB 3 Spectrometer model JDEPC-0V...

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Foldable Paper Spectrometer Assembly Instructions

by abdul about 1 month ago | 0 | 1,109 | 2

These instructions will guide you through the assembly process of the foldable paper spectrome...

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Stress-testing the Desktop Spectrometry Starter Kit

by warren about 1 month ago | 0 | 367 | 0

At Wednesday's [Open Hardware Documentation Night][1], hosted by Parts & Crafts, @wmacfarl and I ...

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Oil Testing Kit Beta Challenge

by gretchengehrke about 1 month ago | 2 | 326 | 1

_Image courtesy of _ This activity was developed for the [Oil Testing Kit Beta Challenge](...

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Desktop Spectrometry Starter Kit 3.0 Assembly Instructions

by abdul about 1 month ago | 4 | 1,393 | 7

These instructions will guide you through the assembly process of the desktop spectrometer. Th...

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Extractions from Grapes with Alcohols

by iamkat 2 months ago | 2 | 399 | 2

Attempting to recreate this protocol ([from UC Davis precis of American Journal of Enology and...

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PLab-3 Proto Slit Upgrade

by stoft 2 months ago | 5 | 340 | 2

Abstract The [PLab-3 Upgrade Proto](https://publiclab.org/notes/stoft/03-02-2015/plab-3-sp...

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Homemade spectrometer

by david_uwi 2 months ago | 9 | 651 | 3

380-930 nm resolution about 4 nm. Cost < 50GBP Fully self contained (battery powered). With colo...

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Ambient Light Reflection Suppression

by stef 2 months ago | 2 | 310 | 2

I have used an automotive type flat black rust paint which is available locally and comes as a sp...

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Reduce interior reflections in your spectrometer with black ink

by warren 3 months ago | 6 | 434 | 3

After building the [stability upgrade][1] to the [Desktop Spectrometry Starter Kit][2], I need...

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Building the @stoft stability upgrade for Desktop Spectrometry Starter Kit 3.0

by warren 3 months ago | 1 | 433 | 2

[![build](https://i.publiclab.org/system/images/photos/000/018/075/medium/IMG_20160918_114553.jpg...

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Landfill leachate in Louisiana ditches?

by eustatic 3 months ago | 3 | 375 | 3

Let's take water samples in the Plaquemines ditches on Woodlands Hwy, and discuss how to use p...

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See the Fraunhofer absorption lines in sunlight

by warren 3 months ago | 0 | 580 | 1

_This is a draft -- still in progress, based on [this note](https://publiclab.org/notes/cfastie/3...

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Laser Calibration (532nm) of New DVD Diffration Grating 4.7 GB

by dhaffnersr 3 months ago | 1 | 431 | 0

I replaced the DVD diffraction grating for my spectrometer in order to get a more balanced...

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Comparing The Ebert CFL Spectral Image To the DH 4.0 v4 CFL Spectral Image

by dhaffnersr 3 months ago | 1 | 311 | 0

[![cfastie_cfl_cal_march_2013_PNG_and_mine__sept_10.png](//i.publiclab.org/system/images/photos/0...

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A Near Perfect CFL (compact fluorescent light) Calibration

by dhaffnersr 3 months ago | 0 | 297 | 0

I had to run another slit width test verification, so I used Plab's spectral workbench 2.0 online...

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Empirical Verification Of Slit Width For The DH4.0 v4 Spectrometer Section II

by dhaffnersr 3 months ago | 0 | 247 | 0

Using my Premeire Professional binocular microscope, I verified my new slit template and d...

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Empirical Verification Of 0.05mm Slit Width of DH4.0 v4 Spectrometer

by dhaffnersr 3 months ago | 0 | 310 | 0

Upon closer scrutiny of my microscopic view of the 0.05mm slit width, I realized that the ...

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0.05mm Slit Gillette Utility Knife Razor Blade design 100X Magnification

by dhaffnersr 3 months ago | 0 | 317 | 0

This is actually a follow up on my previous post on the two laser scans using the new 0.05mm slit...

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New Laser Testing Using a 405nm UV laser Pointer and a 532nm Portable Green Laser

by dhaffnersr 3 months ago | 0 | 301 | 0

I wanted to see just how much more resolution I could squeeze out of this spectrometer, so...

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Microscopic View of Plab Acetate slit and My Gillette razor Blade Open Air Slit

by dhaffnersr 3 months ago | 2 | 344 | 0

Using my Premiere professional binocular microscope (model - 3000,) and a new camera I got for it...

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CFL and LED Bulb Study Section III

by dhaffnersr 3 months ago | 0 | 401 | 0

September, 5 2016 **3 Different LED bulbs and 3 different CFL bulbs from different manufactures...

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Spectral Irradiance Study Section ll using The DH4.0v4 Spectrometer

by dhaffnersr 3 months ago | 0 | 422 | 1

This is part two of my investigative study in the spectral radiance and irradiance of vari...

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Calibrate your spectrometer in Spectral Workbench

by warren 3 months ago | 1 | 1,920 | 4

In Public Lab's [spectrometry project][1], we've long used compact fluorescent lamps (CFLs) as...

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