Shape-Changing Lens Autofocusing Spectroscopy
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Solution Overview
Problem
Conventional autofocus systems in spectroscopy require mechanical reconfiguration, which is time-consuming, complex, and prone to component degradation, limiting their adaptability and lifespan.
Innovation Solution
An autofocusing spectroscopy system that uses a shape-changing lens and an optical feedback loop to automatically adjust the focal length and working distance based on electrical signals and power measurements of returned optical signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mechanical reconfiguration is used to adjust focal length, then focus adjustment capability is achieved, but system complexity and time consumption increase
Solution Approach 1:
The patent replaces mechanical reconfiguration of optical components with electrical control of a shape-changing lens. The shape-changing lens changes its focal length in response to electrical signals, eliminating the need for mechanical movement of optical components while maintaining focus adjustment capability.
Solution Approach 2:
The patent changes the physical state of the lens from fixed shape to variable shape through electrical signals. The shape-changing lens transitions between different curvature states, allowing continuous adjustment of focal length without mechanical reconfiguration of the optical assembly.
2Adaptability or versatility
If mechanical components are used for autofocus, then focus adjustment is possible, but component degradation occurs over time
Solution Approach 1:
The patent substitutes mechanical moving parts with an electrically controlled shape-changing lens. This eliminates wear and tear associated with mechanical components such as motors, gears, and moving lenses, thereby improving system reliability and extending operational lifespan.
Solution Approach 2:
The shape-changing lens is controlled by an optical feedback system that automatically detects focus quality and adjusts the lens shape accordingly. This self-regulating mechanism eliminates the need for external mechanical actuators and reduces maintenance requirements.
3Adaptability or versatility
If mechanical reconfiguration is used, then focal length adjustment is achieved, but synchronous movement of components is required
Solution Approach 1:
The patent replaces complex synchronous mechanical movement with electrical control of a single shape-changing lens. The lens responds directly to electrical signals, eliminating the need for coordinated movement of multiple optical components and simplifying the control mechanism.
Solution Approach 2:
The shape-changing lens performs multiple functions that previously required separate mechanical components: it adjusts focal length, maintains focus, and adapts to different working distances all through electrical control, reducing the number of moving parts and simplifying operation.
4Ease of manufacture
If fixed dimensions are used for mechanical components, then manufacturing is simplified, but adaptability to varying focal lengths is limited
Solution Approach 1:
The patent uses a shape-changing lens that can dynamically change its optical parameters (focal length, curvature) in response to electrical signals. This allows a single lens to provide a range of focal lengths that would otherwise require multiple fixed-dimension components, maintaining manufacturing simplicity while increasing adaptability.
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
Enables consistent, in-focus measurements without mechanical movement, improving adaptability and reducing maintenance needs, while maintaining a constant numerical aperture and optical signal spot size across the sample.
Implementation Method 1
a shape changing lens that changes a focal length of the spectroscopy system in response to applied electrical signals
Implementation Method 2
determining, by a detector, one or more power measurements of one or more returned optical signals
Data Source
AI summary
A spectroscopic autofocusing method and a system for such a method are disclosed. According to one embodiment, a spectroscopic autofocusing method includes applying a plurality of electrical signals to a shape changing lens of a spectroscopy system. The method includes emitting, by an optical source coupled to the spectroscopy system, one or more optical signals directed to a target. The method includes determining, by a detector, one or more power measurements of one or more returned optical signals corresponding to an illuminated area of the target. The method includes aggregating, from the detector, the one or more power measurements, wherein each power measurement corresponds to a respective electrical signal of the plurality of electrical signals applied to the shape changing lens. The method includes determining an optimized electrical signal corresponding to a maximum power measurement indicated by the one or more power measurements.