Polarized Image Acquisition in Thermal Analysis
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Solution Overview
Problem
It is challenging to acquire polarized images of samples during thermal analysis due to the difficulty in rotating the sample holders within the thermal analysis apparatus, which limits the observation of polarized images.
Innovation Solution
An apparatus for acquiring polarized images is attached to the thermal analysis apparatus, comprising a light source, a polarizer, a camera, and an analyzer. The polarizer and analyzer are rotatable and have non-parallel optical paths, allowing for the acquisition of polarized images through a window or opening in the thermal analysis apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a polarizing microscope is used to observe polarized images, then polarized image observation is enabled, but the sample holder cannot be rotated due to apparatus limitations
Solution Approach 1:
A beam splitter is introduced as an intermediary component to separate the illumination light path from the observation light path. This allows the polarizer to be positioned in the illumination path while the analyzer and camera are positioned in the observation path, enabling polarized image acquisition without requiring sample holder rotation capability
Solution Approach 2:
The optical paths are arranged in non-parallel dimensions using the beam splitter. The illumination light travels through the polarizer to the sample, while the reflected light travels through the analyzer to the camera along a different spatial dimension, resolving the contradiction between fixed sample holder and rotatable polarizer requirements
2Device complexity
If the polarizer and analyzer have parallel optical paths, then the apparatus structure is simplified, but the camera cannot observe through the window or opening
Solution Approach 1:
The beam splitter acts as an intermediary that redirects light paths to pass through the window or opening. By positioning the beam splitter at an angle, it enables the optical system to observe samples through the transparent window while maintaining the necessary polarizer-analyzer configuration
Solution Approach 2:
The optical paths are configured in non-parallel arrangements where the illumination path and observation path diverge at different angles. This dimensional separation allows both the polarizer and analyzer to function while enabling camera observation through the window opening
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enables the acquisition of polarized images of samples within the thermal analysis apparatus, overcoming the limitation of non-rotatable sample holders and allowing for precise observation and imaging.
Implementation Method 1
a polarizer configured to be a polarizing filter that polarizes light emitted from the light source
Implementation Method 2
an analyzer configured to be a polarizing filter that polarizes light reflected from the measurement sample or the reference sample
Implementation Method 3
light reflected from the measurement sample or the reference sample to enter the camera
Data Source
AI summary
Disclosed is an apparatus for acquiring polarized images attached to a thermal analysis apparatus including a pair of sample containers housing a measurement sample and a reference sample, respectively, and a heating furnace, configured to observe at least the measurement sample through a window or an opening of the heating furnace, and including an attachment section attached to the thermal analysis apparatus, a light source, a polarizer configured to polarize light emitted from the light source, a camera and an analyzer polarize light reflected from the measurement sample or the reference sample to enter the camera after the measurement sample or the reference sample is irradiated via the window or the opening with polarized light transmitted through the polarizer. A first optical path of the polarizer and a second optical path of the analyzer are not parallel, and both the polarizer and the analyzer are rotatable.