Related Experiment Videos
[Reducing the influence non-linearity of detecting array on absorption spectrum with curve fitting].
Gang Chen1, Zhi-yu Wen, Yu-qian Liang
1College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China.
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|July 15, 2005
Summary
Non-linear responses in micro spectral analytical systems deform absorption spectra. Curve fitting corrects photoelectronic detecting array pixel non-linearity, improving spectral accuracy for micro spectral analysis.
Area of Science:
- Analytical Chemistry
- Spectroscopy
- Optical Engineering
Context:
- Micro spectral analytical systems rely on photoelectronic detecting arrays.
- Non-linear responses in these arrays distort spectral measurements, particularly absorption spectra.
- Accurate spectral data is crucial for various analytical applications.
Purpose:
- To investigate the factors causing spectral deformation due to photoelectronic detecting array non-linearity.
- To propose and validate a method for correcting this non-linearity.
- To enhance the accuracy of absorption spectra obtained from micro spectral systems.
Summary:
- Spectral deformation in micro spectral analysis is caused by the non-linear response of photoelectronic detecting array pixels.
- A novel method utilizing curve fitting was developed to correct for this pixel non-linearity.
- The proposed curve fitting technique effectively reduces spectral deformation in absorption spectrum measurements.
Impact:
- Provides a validated method to improve the accuracy of micro spectral analytical systems.
- Enables more reliable absorption spectrum measurements.
- Contributes to advancements in optical metrology and analytical instrumentation.