Spatial light modulation unit and spatial light modulation device
By using electrothermal modulation of a super-aligned carbon nanotube-paraffin composite structure, and taking advantage of the rapid thermal response of the super-aligned carbon nanotubes, a rapid change in light transmittance was achieved. This addresses the shortcomings of super-aligned carbon nanotube films in the field of spatial light modulation and enables a rapid spatial light modulation effect.
CN119310758BActive Publication Date: 2026-06-09TSINGHUA UNIVERSITY +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TSINGHUA UNIVERSITY
- Filing Date
- 2023-07-12
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
In the existing technology, the application of super-aligned carbon nanotube thin films in active optical control, especially in the field of spatial light modulation, has not been fully developed.
Method used
By employing a super-aligned carbon nanotube-paraffin composite structure, a rapid phase transition in the paraffin layer is induced through electrothermal modulation, thereby achieving a change in light transmittance. The rapid thermal response of the super-aligned carbon nanotubes is utilized to achieve spatial light modulation.
Benefits of technology
It achieves rapid response and recovery of transmitted light intensity on the order of hundreds of milliseconds, and realizes rapid spatial light modulation effect.
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Figure CN119310758B_ABST
Abstract
The present application relates to a kind of spatial light modulation units, the spatial light modulation unit includes a first electrode, a second electrode and super alignment carbon nanotube-paraffin composite structure, the first electrode is spaced apart with second electrode insulation, the super alignment carbon nanotube-paraffin composite structure is electrically connected with the first electrode and second electrode;The super alignment carbon nanotube-paraffin composite structure includes a super alignment carbon nanotube structure and a paraffin layer, the paraffin layer is covered on super alignment carbon nanotube structure and is infiltrated in super alignment carbon nanotube structure.The present application further relates to a kind of spatial light modulation device including the spatial light modulation unit.
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