Notes tagged with spectrometer

Ask a question about spectrometer or Sign up to answer questions on this topic

CFL detection by contrast, for auto-calibration

by warren | 3 days ago | 0 | 125 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...

Read more »


Spectral Workbench previewing and clipping warnings

by warren | 5 days ago | 1 | 193 views | 2

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

Read more »


Quantifying reflector brightness assistance

by warren | 9 days ago | 1 | 197 views | 1

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

Read more »


shorter spectrometer geometry with two slits?

by mathew | 17 days ago | 3 | 336 views | 2

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

Read more »



PVC Pipe Fitting Modification to 3D Printed Body

by bsugar | 18 days ago | 1 | 382 views | 2

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

Read more »


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

by amysoyka | 19 days ago | 7 | 275 views | 3

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

Read more »


Public Lab Launches a Kickstarter for a Homebrew Oil Testing Kit

by liz | about 1 month ago | 1 | 809 views | 1

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

Read more »


Oil fluorescence scanning on an Ocean Optics spectrometer

by warren | about 1 month ago | 1 | 415 views | 1

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

Read more »



Graded oils using UV fluorescence

by mathew | about 1 month ago | 22 | 637 views | 1

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

Read more »


Better smoothing and equalizing graph height for comparison of oil spectra

by warren | about 1 month ago | 2 | 959 views | 1

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

Read more »


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

by mathew | about 1 month ago | 4 | 325 views | 0

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

Read more »


Grading oils with UV fluorescence

by mathew | about 1 month ago | 5 | 311 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 ...

Read more »



LEAFFEST 2014 accounting

by cfastie | about 1 month ago | 6 | 447 views | 8

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

Read more »


Laser Pointers and the LIF Literature

by mathew | about 1 month ago | 1 | 407 views | 1

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

Read more »


Webcam brightness testing for Oil Testing Kit

by warren | about 1 month ago | 7 | 309 views | 2

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

Read more »


Fluorescence spectroscopy with the foldup + gelcap

by mathew | about 1 month ago | 4 | 333 views | 1

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

Read more »



Using Gelatin Caps for oil fluorescence

by mathew | about 1 month ago | 19 | 542 views | 2

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

Read more »


ramanPi - The 3D Printable Raspberry Pi Raman Spectrometer

by flatCat | about 1 month ago | 16 | 15,952 views | 7

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

Read more »


Clips for the next spectrometer, pt 2

by mathew | about 1 month ago | 3 | 508 views | 1

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

Read more »


3D Printed CCD Spectrometer (WheeTrometer 3.0)

by bhickman | about 1 month ago | 3 | 1,004 views | 7

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

Read more »



L E A F F E S T

by cfastie | 2 months ago | 4 | 925 views | 4

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

Read more »


Clips for the next spectrometer

by mathew | 2 months ago | 4 | 466 views | 1

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

Read more »


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

by warren | 2 months ago | 1 | 1,406 views | 0

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

Read more »


Continued literature review for the Oil Testing Kit

by warren | 2 months ago | 4 | 459 views | 2

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

Read more »



Sample container search

by warren | 2 months ago | 12 | 419 views | 0

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

Read more »


Increasing brightness of fluorescence spectra

by warren | 2 months ago | 7 | 360 views | 0

What I want to do We had some trouble at the recent oil testing kit meetup in New Orleans in get...

Read more »


Working Oil Testing Event Guide

by stevie | 2 months ago | 2 | 415 views | 1

This post is a working document on the developing Oil Testing Kit Event Guide. I expect it to cha...

Read more »


Survey of different kinds of fluorescence spectrometry, optimizing intensity

by warren | 2 months ago | 13 | 1,030 views | 1

Jargon Learning more about different types of fluorescence spectroscopy -- a common type for oil...

Read more »



Visible-range fluorescence fingerprinting of heating and motor oil

by warren | 3 months ago | 1 | 350 views | 1

I forwarded this 1992 article, "Fingerprinting petroleum contamination using synchronous scanning...

Read more »


Homemade Colorimeter (determine the concentration of a sample)

by homechemist | 3 months ago | 11 | 871 views | 2

What i want to do? The aim of this project is to develop a simple but accurate gadget for the de...

Read more »