Notes tagged with spectrometer

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Question: Spectrometer Desing

by Deforme | about 16 hours ago | 1 | 96 views | 0

Let's think, we have a detector array (128x1 and each cmos detector responds 400 to 1000 nm TSL14...

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a paper spectrometer design, pt 2

by mathew | 13 days ago | 11 | 797 views | 3

What I want to do This is a substantial revision to an earlier design, which integrated a bunch ...

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Low-cost multimeter colorimeter

by jakemartin | 18 days ago | 1 | 366 views | 2

What I want to do Make low cost quantitative measurements of the concentration of chemicals in s...

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a paper spectrometer design

by mathew | about 1 month ago | 7 | 676 views | 3

What I want to do build a spectrometer that doesn't use a conduit box, out of mostly paper and c...

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CFL detection by contrast, for auto-calibration

by warren | about 1 month ago | 0 | 507 views | 0

What I want to do I was thinking we might be able to do a crude but very fast CFL detection by m...

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Passing Light Through an Object.

by amysoyka | about 1 month ago | 0 | 565 views | 1

What I wanted to do Related Posts: http://publiclab.org/notes/amysoyka/10-07-2014/a-lil-box-for-...

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Spectral Workbench previewing and clipping warnings

by warren | about 1 month ago | 1 | 1,453 views | 2

Just a quick update here - I added a webcam preview to the capture interface (see above) as well ...

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Quantifying reflector brightness assistance

by warren | 2 months ago | 1 | 408 views | 1

What I want to do At the New Orleans oil testing meetup, started using reflective foil mylar (li...

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shorter spectrometer geometry with two slits?

by mathew | 2 months ago | 3 | 645 views | 2

What I want to do answer two questions: Can straylight be eliminated in a simple spectrometer se...

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PVC Pipe Fitting Modification to 3D Printed Body

by bsugar | 2 months ago | 1 | 757 views | 2

Special thanks to a friend at my local hometown library for her help in making this possible, and...

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A Lil' Box for the Oil Testing Kit. (Incomplete)

by amysoyka | 2 months ago | 7 | 500 views | 3

Oil Testing Kit from a sheet of A4 Paper? (kind of...) Sometime ago, @warren and @mathew were tr...

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Public Lab Launches a Kickstarter for a Homebrew Oil Testing Kit

by liz | 3 months ago | 1 | 1,319 views | 1

NEWS RELEASE FOR IMMEDIATE RELEASE September 24, 2014 Public Lab Launches a Kickstarter for a Ho...

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Oil fluorescence scanning on an Ocean Optics spectrometer

by warren | 3 months ago | 2 | 575 views | 1

What I want to do At LEAFFEST 2014, Mary, Luisa, and others reproduced the kind of fluorescence ...

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Graded oils using UV fluorescence

by mathew | 3 months ago | 22 | 840 views | 1

What we want to do Me and @Warren are trying to replicate the heavy to light sorting of oils, a...

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Better smoothing and equalizing graph height for comparison of oil spectra

by warren | 3 months ago | 2 | 1,074 views | 1

What I want to do Based on the difficulties @mathew highlighted in his research note yesterday, ...

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Replicating the Grading of oils with UV Fluorescence on other cameras pt 1

by mathew | 3 months ago | 4 | 443 views | 0

What I want to do replicate the results of my previous note using different other cameras. I wa...

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Grading oils with UV fluorescence

by mathew | 3 months ago | 5 | 442 views | 0

What I want to do I want to be able to grade oils from light to heavy. I'm going to use a means ...

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LEAFFEST 2014 accounting

by cfastie | 3 months ago | 6 | 612 views | 8

. 18 LEAFFEST attendees . 10 tents on lawn . 50 % of attendees at their first LEAFFEST . ...

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Laser Pointers and the LIF Literature

by mathew | 3 months ago | 1 | 629 views | 1

*LIF stands for Laser Induced Fluorescence. What I want to do I want to answer three questions ...

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Webcam brightness testing for Oil Testing Kit

by warren | 3 months ago | 7 | 414 views | 2

What I want to do We've had trouble getting bright enough spectra in the Oil Testing Kit with th...

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Fluorescence spectroscopy with the foldup + gelcap

by mathew | 3 months ago | 4 | 441 views | 1

What I want to do See bright fluorescence spectra with a fold up. My attempt and results While...

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Using Gelatin Caps for oil fluorescence

by mathew | 3 months ago | 19 | 760 views | 2

What I want to do see if we use gelatin caps as sample containers. They cost a few cents each, ...

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ramanPi - The 3D Printable Raspberry Pi Raman Spectrometer

by flatCat | 4 months ago | 27 | 18,253 views | 8

What I want to do: Build a Raman Spectrometer based on a Raspberry Pi, make it 3D Printable and ...

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Clips for the next spectrometer, pt 2

by mathew | 4 months ago | 3 | 635 views | 1

What I want to do try out some clips I bought and figure how they fit in a new spectrometer desi...

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3D Printed CCD Spectrometer (WheeTrometer 3.0)

by bhickman | 4 months ago | 3 | 1,458 views | 7

What we want to do: We want to provide an open source and affordable CCD photodiode array spectr...

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L E A F F E S T

by cfastie | 4 months ago | 4 | 1,092 views | 4

Above: Group aerie at LEAFFEST 2012. WHAT: An annual meetup to refine Public Lab tools and bra...

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Clips for the next spectrometer

by mathew | 4 months ago | 4 | 583 views | 1

What I want to do find and test a clip that works with the bench design @warren and I brainstorm...

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Ultra micro cuvette tests, UV LED and low-temperature fluorescence

by warren | 4 months ago | 1 | 1,583 views | 0

What I want to do Just posting a variety of small tests I've done over the past few days, based ...

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Continued literature review for the Oil Testing Kit

by warren | 4 months ago | 4 | 569 views | 2

What I want to do I've been reading and annotating a collection of formal research papers on flu...

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Sample container search

by warren | 4 months ago | 12 | 589 views | 0

What I want to do The square glass bottles we've used for fluorescence spectroscopy are sold out...

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