Related Experiment Video
Updated: Feb 6, 2026
12:11
Using Optical Tweezers for the Generation of Hybrid Spheroids
Published on: May 30, 2025
1.0K
Diamond Metasurface-Based Optical Tweezers With Enhanced Robustness
Jing-Yuan Zhu1, Ke-Xue Li2, Pei-Nan Ni1
1Henan Key Laboratory of Diamond Materials and Devices, Key Laboratory of Materials Physics, Ministry of Education, School of Physics, Zhengzhou University, Zhengzhou, China.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|February 4, 2026
Summary
Diamond metasurfaces overcome thermal issues in optical tweezers, enabling stable manipulation of microparticles for advanced lab-on-a-chip devices. This breakthrough advances miniaturized optomechanical systems for photonics.
Area of Science:
- Optics and Photonics
- Materials Science
- Nanotechnology
Background:
- Optical tweezers are vital for manipulating micro/nanoparticles but face miniaturization challenges.
- Metasurface optical tweezers offer compactness but are limited by laser-induced thermal effects.
Purpose of the Study:
- To overcome thermal limitations in metasurface optical tweezers.
- To develop a robust platform for high-power, miniaturized optomechanical systems.
Main Methods:
- Utilized diamond metasurfaces due to their high thermal conductivity and optical damage threshold.
- Experimentally demonstrated particle manipulation using diamond metasurface optical tweezers.
Main Results:
- Successfully resolved critical thermal limitations of conventional metasurface optical tweezers.
- Achieved versatile particle manipulations: 2D trapping, translocation, and rotation.
- Ensured structural integrity under high-power illumination.
Conclusions:
- Diamond metasurfaces provide a stable and durable platform for optical tweezers.
- This work enables scalable integration of miniaturized optomechanical systems into demanding photonic applications.
Related Concept Videos
03:00Self-Evaluation: Self-Enhancement and Self-Verification
5.8K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
5.8K
01:16Bioavailability Enhancement: Drug Solubility Enhancement
262
Body:Bioavailability is a critical factor in determining a drug's effectiveness. It refers to the proportion of a drug that enters the circulation when introduced into the body and is, as a result, able to have an active effect. Enhancing bioavailability is essential for drugs with poor solubility, as it can significantly impact their therapeutic efficacy. Various methods are employed to increase the solubility of drugs, thereby enhancing their bioavailability.Micronization and nanonization are...
262
01:27Bioavailability Enhancement: Drug Permeability Enhancement
207
Body:After oral administration, poor permeability often limits the rate at which drugs are absorbed through the intestinal epithelium. Enhancing drug permeability is crucial for effective therapy, and several strategies have been developed to overcome this challenge.One effective strategy involves the use of lipid-based formulations. These formulations enhance dissolution and solubility, targeting physiological mechanisms to increase drug absorption. This includes stimulating bile salt...
207
01:05Bioavailability Enhancement: Drug Stability Enhancement and GI Retention
222
Body:Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
222
01:26Enhanced Elimination of Poison
914
Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
914
01:22MOSFET: Enhancement Mode
826
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
826