Results 281 to 290 of about 2,090,001 (315)

On-chip dual quantum walk comb in the mid-infrared

Montesinos-Ballester M, Miller L, Gini E, Beck M, Faist J.   +4 more
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Uncooled Mid-Infrared Sensing Enabled by Chip-Integrated Low-Temperature-Grown 2D PdTe2 Dirac Semimetal.

Nano letters (Print), 2023
Next-generation mid-infrared (MIR) imaging chips demand free-cooling capability and high-level integration. The rising two-dimensional (2D) semimetals with excellent infrared (IR) photoresponses are compliant with these requirements.
Longhui Zeng, Weitao Han, Xiaoyan Ren, Xue Li, Di Wu, Shujuan Liu, Hao Wang, S. Lau, Y. Tsang, C. Shan, J. Jie   +10 more
semanticscholar   +1 more source

Electrically tunable VO_2–metal metasurface for mid-infrared switching, limiting and nonlinear isolation

Nature Photonics, 2023
We demonstrate an electrically controlled vanadium dioxide (VO_2)–metal metasurface for the mid-wave infrared regime that simultaneously functions as a tunable optical switch, an optical limiter with a tunable limiting threshold and a nonlinear optical ...
Jonathan King, C. Wan, T. J. Park, S. Deshpande, Zhen Zhang, S. Ramanathan, M. Kats   +6 more
semanticscholar   +1 more source

Geometric filterless photodetectors for mid-infrared spin light

Nature Photonics, 2022
Free-space circularly polarized light (CPL) detection, requiring polarizers and wave plates, is well established, but such a spatial degree of freedom is unfortunately absent in integrated on-chip optoelectronics.
Jingxuan Wei, Yang Chen, Ying Li, Wei Li, Jun-Ying Xie, Chengkuo Lee, K. Novoselov, Cheng-Wei Qiu   +7 more
semanticscholar   +1 more source

Mid-Infrared Photothermal Microscopy: Principle, Instrumentation, and Applications.

Journal of Physical Chemistry B, 2022
Midinfrared photothermal (MIP) microscopy, also called optical photothermal infrared (O-PTIR) microscopy, is an emerging tool for bond-selective chemical imaging of living biological and material samples.
Q. Xia, Jiaze Yin, Zhongyue Guo, Ji-Xin Cheng   +3 more
semanticscholar   +1 more source

Mid-Infrared Fiber Lasers

2007
The current state of the art in mid-infrared fiber lasers is reviewed in this chapter. The relevant fiber-host materials such as silicates, fluorides, chalcogenides, and ceramics, the fiber, pump, and resonator geometries, and the spectroscopic properties of rare-earth ions are introduced. Lasers at transitions ranging from 1.9 to 4 μm occurring in the
Pollnau, Markus, Jackson, Stuart D.
openaire   +1 more source

Van der Waals Epitaxial Growth of Mosaic‐Like 2D Platinum Ditelluride Layers for Room‐Temperature Mid‐Infrared Photodetection up to 10.6 µm

Advances in Materials, 2020
Mid‐infrared (MIR) photodetection, covering diverse molecular vibrational regions and atmospheric transmission windows, is vital to civil and military purposes. Versatile use of MIR photodetectors is commonly dominated by HgCdTe alloys, InSb, and quantum
Longhui Zeng, Di Wu, J. Jie, Xiaoyan Ren, X. Hu, S. Lau, Y. Chai, Y. Tsang   +7 more
semanticscholar   +1 more source

Mid‐infrared fiber optics

Lasers in Surgery and Medicine, 1986
AbstractFiber optics for carbon dioxide laser surgery have been in developmental research for the past ten years. An up‐to‐date presentation of infrared fiber optics as they pertain to laser surgery is presented. Optical properties such as intrinsic and extrinsic electronic absorption, multiphonon absorption, and scatter mechanisms are discussed.
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Fractionated Mid-Infrared Resurfacing

Seminars in Cutaneous Medicine and Surgery, 2008
Fractional resurfacing devices thermally alter microscopic treatment columns in the skin, leaving intervening areas between the columns untouched. Because only a fraction of the skin is being modified, untreated areas are able to rapidly repopulate the treatment columns to greatly reduce recovery time and adverse events. Mid-infrared fractional systems
openaire   +2 more sources