Spectrometer

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Notes tagged with spectrometer

parent: spectrometry

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Spitfire peak pixel test

by viechdokter over 2 years ago | 1 | 564 | 0

What I wanted to do this time is to take a series of spectra of the same CFL lamp in fast suc...

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Announcing a Public Lab booklet: DIY Oil Testing

by warren over 2 years ago | 1 | 1,366 | 5

Hello all -- today we’re announcing a booklet @gretchen, @stevie, @liz and I put together in Dece...

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Spectrometer DVD-Alignment Auto-Correction

by stoft over 2 years ago | 0 | 1,035 | 0

Abstract This is a continuation of my investigation into extracting stable data from the P...

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Spectrometer Peak-Hold

by stoft over 2 years ago | 0 | 805 | 0

Abstract This is a brief follow-on to my previous note on spectrometer noise reduction via...

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Prototype of easy-to-build rigid spectrometer housing

by warren over 2 years ago | 19 | 1,843 | 3

Building on work by @viechdokter and @stoft, and related to their and @yagiz's work on interio...

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And if I flip it over? Effects of a reversed polfilter on spectra.

by viechdokter over 2 years ago | 0 | 686 | 0

So, now for something interesting... I repeated the polfilter turning angle test - but this time ...

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Spectrometer Noise Solution?

by stoft over 2 years ago | 4 | 1,440 | 1

Abstract This is a continuation of my series on spectrometer noise which now focuses on ob...

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Effects of the turning angle of a polarizing filter onto spectra

by viechdokter over 2 years ago | 2 | 759 | 0

Yesterday I found out that a polfilter can change the redness or blueness of a spectrum. @stoft s...

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Polarizing filter effects on spectra

by viechdokter over 2 years ago | 1 | 729 | 0

The problem: Overexposure. Often - especially when taking sunlight spectra - I have the...

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Spectrometer Time Filter

by stoft over 2 years ago | 0 | 757 | 0

Abstract This next 'chapter' in the stability series attempts to observe the potential for...

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Noise by colour

by viechdokter over 2 years ago | 23 | 991 | 1

_**This is a revised note! There was a little error in my primary colour noise curves. The red cu...

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Batch work

by viechdokter over 2 years ago | 0 | 637 | 0

@Warren: Hi Warren, yesterday I used your serial capture macro to do another reproducibility test...

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Automatic Gain Control vs. Inverse square law

by viechdokter over 2 years ago | 4 | 687 | 0

After my first trials with my torch light and the problems with the "light rings" it was emitting...

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Spectrometer Noise

by stoft over 2 years ago | 5 | 1,225 | 1

Abstract This is a follow-on to my discussion of [Spectrometer Stability](https://publicla...

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Thinking about a more stable spectrometer...

by viechdokter over 2 years ago | 17 | 1,081 | 1

I read a lot about a more rigid setup of the PLab spectrometer in this forum. So I thought about ...

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Light source limits

by viechdokter over 2 years ago | 1 | 564 | 0

Today I stumbled about another "problem". I wanted to take a set of spectrum captures where t...

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