Related Experiment Video
Updated: Jun 10, 2026
08:17
Optical Coherence Tomography: Imaging Mouse Retinal Ganglion Cells In Vivo
Published on: September 22, 2017
Determination of paraxial image plane location by using Ronchi test
Jinhun Jeong1, Byongchan Lee, Sukmock Lee
1Department of Physics, Inha University, Incheon, 402-751, Republic of Korea.
Optics Express
|August 20, 2010
Summary
A new method accurately finds the paraxial image plane location using only Ronchigrams. This quantitative Ronchi test simplifies optical system analysis without needing complex setups.
Area of Science:
- Optical engineering
- Image analysis
Background:
- Determining the paraxial image plane is crucial for optical system characterization.
- Existing methods may require complex setups or extensive data processing.
Purpose of the Study:
- To introduce a novel method for locating the paraxial image plane.
- To demonstrate the method's effectiveness using a quantitative Ronchi test.
Main Methods:
- Utilizing a recently developed quantitative Ronchi test.
- Analyzing measured Ronchigrams to extract image plane location.
- Validating results by modifying the optical setup and comparing f-number.
Main Results:
- The paraxial image plane location can be determined solely from Ronchigram data.
- The method's accuracy was confirmed by comparing the retrieved f-number to theoretical predictions.
Conclusions:
- The quantitative Ronchi test provides a direct and efficient way to find the paraxial image plane.
- This method simplifies optical system analysis and characterization.
