
Learn the Fundamentals of the Diffraction Grating Spectrometer
Aug 17, 2024 · Introduction In this article, we will discuss the fundamentals of the diffraction grating spectrometer. The operation of the instrument is based upon the textbook equations for the far-field …
Purpose of Entrance Slit in Spectrometer: Rgds Evidenso
Jul 29, 2009 · The entrance slit in a dispersive spectrometer serves to narrow spectral lines and improve resolution by ensuring that light enters at a consistent point, thus minimizing aberrations. While not …
Mass Spectrometer and Electric Field Problem - Physics Forums
Oct 4, 2005 · Hi, My Question: Suppose the electic field between the two electric plates in the mass spectrometer is 2.48 x 10^4 V/m and the magnetic fields...
Sources of errors in a spectrometer experiment - Physics Forums
Feb 17, 2019 · [Note from mentor: this lacks the homework template because it was originally posted in a non-homework forum.] I know this seems like a very dumb question...
Looking for a high definition DIY spectrometer - Physics Forums
Apr 18, 2020 · This discussion focuses on building a high-definition DIY spectrometer using a webcam or camera sensor. Key components include a narrow slit, a diffraction grating (such as a CD), and a …
What Does a Negative Absorbance Reading Indicate? - Physics Forums
Jul 10, 2010 · A negative absorbance reading typically indicates that the spectrometer is not properly calibrated, suggesting that the measurement may not be accurate. This could also imply the …
Infrared spectrophotometer DIY - Physics Forums
Apr 1, 2025 · Hello everyone gathered here, I am passionate about chemistry and practical physics but the analysis of organic compounds is beyond my wallet and myself. So I want to build a spectrometer …
Extracting data from a spectrometer to Excel - Physics Forums
Aug 29, 2018 · Good morning, I used the Laser beam with HR4000 spectrometer with Ocean View software when saving the files it is saved by (.ocv) format. when trying to extract information to excel …
About collimation in Czerny-Turner spectrometers - Physics Forums
Dec 15, 2023 · Goodmorning, I'm designing an unfolded Czerny-Turner spectrometer like the one in picture I'm trying to use toroidal mirrors to decrease off axis astigmatism. In my first try i made an …
Pocket size molecular spectrometer - Physics Forums
Jul 23, 2017 · how accurate is it? Is there a size limit for any spectrometer where accuracy could be affected? the Scio is an IR spectrometer.. is pocket size Raman spectrometer more difficult to make, …