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Would it be easier to resolve nearby objects if you detected them using ultraviolet radiation rather than visible light? 

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Our model not only provides accurate transmittances but also gives accurate values for ultraviolet and visible light versus depth in the atmosphere, snow, ice, and ocean.
Large resolved objects must be considerably brighter than their equivalent point source if diffraction details are to be observed.
By using this concept, it is possible to monitor the UV-visible light in a wide intensity range from very high to ultralow.
This work shows that even with limited telescope time (3 nights per month) a substantial number of these larger objects would be detected.
The method should be useful in the far ultraviolet as well as in the near ultraviolet and visible regions.
This can be used for detection of longer wavelengths than visible light.
These cells may be used as a visible-light-radiation sensor with a constant sensitivity in a wider wavelength region.
Open accessJournal ArticleDOI
15 Nov 2018
4 Citations
It will be applicable to ultrahigh-resolution rapid-scan ultraviolet-visible spectral measurement.
Specialized digital cameras possessing extended sensitivity can be used for recording reflected ultraviolet radiation.

Related Questions

What type of tech applications is UV radiation used in?5 answersUV radiation finds applications in various technological fields. It is utilized in biomedical applications like biosensing and cancer therapy through photon upconversion using lanthanide-doped nanoparticles for UV generation by NIR light excitation. In the food industry, UV light is employed for microbial inactivation on surfaces and equipment, with UV-LEDs emerging as efficient decontamination technology. UV communication (UVC) is gaining attention as a replacement for traditional wireless communication, especially in military scenarios, due to its non-line-of-sight ability and low background noise. Moreover, UV-C radiation is utilized for decontamination in the dairy industry, offering advantages like low maintenance costs and minimal energy use, making it an environmentally friendly technology for microbial control in dairy products. Additionally, combining UVC with antimicrobial agents shows promise in enhancing disinfection efficacy and safety in various settings.
How does UV-Visible spectroscopy work?4 answersUV-Visible spectroscopy is a technique that involves the interaction of matter with electromagnetic radiation in the UV and visible regions of the electromagnetic spectrum. It is used for the structural analysis of compounds and finds applications in various fields such as chemistry, biochemistry, biology, and medicine. UV-Visible spectroscopy measures the absorbance of radiation by a sample, which is related to the concentration of the solution under study. The technique relies on the measurement of electronic transitions between different energy states in conjugated organic compounds, which are responsible for their UV-Visible spectra. The absorbance of UV and visible light by a sample can be used to analyze or identify different substances. Advanced theoretical calculations and complementary analytical methods are often used in conjunction with UV-Visible spectroscopy to provide a comprehensive understanding of the samples being studied.
Is uv visible enough to characterize hemoglobin?5 answersUV-visible spectroscopy is a useful technique for characterizing hemoglobin. It can be used to determine the concentration of hemoglobin in blood samples by measuring the absorption of light at specific wavelengths. The method proposed by Elgailani et al. involves the reaction of iron in hemoglobin with ammonium thiocyanate, and the absorption maxima was found to be at 475 nm. Diffuse reflectance spectroscopy in the visible wavelength range has also been used to monitor changes in hemoglobin concentration during surgery, with ratios of raw diffuse reflectance at specific wavelength pairs providing accurate estimates. UV resonance Raman spectroscopy has been used to detect histidine ligands in heme proteins, including hemoglobin, by measuring the UVRR bands of the imidazole group. Overall, UV-visible spectroscopy offers a noninvasive and efficient method for characterizing hemoglobin in various applications.
How can ultraviolet radiation be used to measure hydrocarbons in soil?5 answersUltraviolet (UV) radiation can be used to measure hydrocarbons in soil through various methods. One method involves using UV absorbance at specific wavelengths to quantify the concentration of hydrocarbons in soil samples. This method is sensitive enough to detect changes in the concentration of humified dissolved organic carbon (DOC) in soil, which is associated with soil health properties. Another method involves using UV spectrophotometry to measure the content of petroleum in soil. This method utilizes the absorbance of petroleum ether at a specific wavelength to calculate the content of petroleum in soil samples. Additionally, UV absorbance can be used for on-line monitoring of monoaromatic hydrocarbons in soil gas extracted from petroleum-contaminated soils. These methods provide fast and simple ways to measure hydrocarbons in soil, with the potential for benchmarking and monitoring the impact of land management practices on soil health.
How can UV radiation be used to study astrobiology?3 answersUV radiation can be used to study astrobiology in several ways. Firstly, UV observations of forming planetary systems and exoplanets can provide crucial information for detecting environments where life may have emerged in space. Additionally, the level of stellar activity, which can be traced through UV radiation, influences the habitability of exoplanets. Furthermore, the impact of stellar UV radiation on the habitability of planetary surfaces can be accurately estimated through interdisciplinary approaches combining astrophysics, microbiology, and photobiology, as well as laboratory experiments. Lastly, the study of diffuse UV background radiation is important for investigating stellar and galactic evolution, with the major contributor being starlight scattered by interstellar dust grains.
How can we detect objects in low light images?5 answersObject detection in low-light conditions can be improved by using raw image data instead of processed image data from a traditional ISP pipeline. Another approach is to use a dedicated low-light neural pipeline trained with paired low- and normal-light data to restore and enhance the image. However, these methods may not generalize to different camera sensors due to variations in spectral sensitivity. To address this, a minimal neural ISP pipeline called GenISP is proposed, which incorporates Color Space Transformation to a device-independent color space. GenISP is trained under the guidance of a pre-trained object detector and can be paired with any object detector at the inference stage. Extensive experiments show that GenISP can generalize to unseen sensors and object detectors. Another method involves using a multi-scale network fusion approach for low-light image enhancement, which improves the available information in the image and solves the problem of feature loss caused by deep network layers. Additionally, exploring different image enhancement algorithms and object detection models can also contribute to detecting objects in low-light images.

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