By passing a standard wavelength laser (1064 nm) through a non-linear crystal, the wavelength is reduced to 532 nm. This light is further passed through another crystal, effectively reducing its wavelength to 355 nm. As a result, UV lasers are commonly called third-harmonic generation (THG) lasers.

... dimensione dei pixel e la dimensione del sensore. C'è, infatti, un intervallo ottimale per le dimensioni dei pixel e ci sono dei vantaggi per i sensori grandi.

– Built to whether any storm and the darkest of nights, this Dome 4K PoE IP Camera features a heavy-duty metal weatherproof IP67 housing & IK10 Vandal Resistant Dome as well as built-in IR LEDs and a CMOS 1/2.7” 8MP progressive image sensor to achieve unsurpassed low-light capability and night-vision up to 98 feet. Dual H. 265/H. 264 compression allows for maximum encryption with the latest technology as well as backwards compatibility with legacy platforms. SECURE CLOUD VIDEO BACKUP – The optional Amcrest Cloud remote video storage subscription service allows you automatically store your videos off-site in a third-party location hosted and secured by AWS. This way if something happens to your local PC/NVR/SDcard/NAS, the footage will be safely recorded in a secure off-site location and accessible to you through a web-based Flash interface for PC (Chrome/Firefox/Safari/Edge) and AmcrestCloud smartphone app. This product may contain components that are not NDAA compliant.

– Stunning ultra-high quality 4K (8-Megapixel / 3840x2160) resolution featuring enhanced low light capability utilizing the latest CMOS image sensor and chipset. Super-wide 125° viewing angle allows you to cover more ground and keep more of what matters to you safe. Power Over Ethernet (POE camera) for easy installation (POE Injector or Switch Required; Not Included, Sold Separately). Human & Vehicle Detection, IVS: Tripwire & Intrusion. Built In Microphone for 1 Way Audio. 4K (3840x2160) @20fps. SMARTER SECURITY – Receive motion alert notifications and review footage via your smartphone with the Amcrest View Pro 2 app. Playback and record professionally on a PC using the Amcrest Orion Surveillance Software for Windows and MAC (included) or Blue Iris Professional. Works with Amcrest Cloud remote video storage, MicroSD card (up to 256GB), Amcrest NVRs, Synology and QNAP NAS, FTP, Pale Moon and Sea Monkey Browsers, IE, Safari, Firefox 49. 0 and Chrome with Amcrest Web View Extension. Wide Dynamic Range up to 120dB. DAY OR NIGHT, RAIN OR SHINE – Built to whether any storm and the darkest of nights, this Dome 4K PoE IP Camera features a heavy-duty metal weatherproof IP67 housing & IK10 Vandal Resistant Dome as well as built-in IR LEDs and a CMOS 1/2.7” 8MP progressive image sensor to achieve unsurpassed low-light capability and night-vision up to 98 feet. Dual H. 265/H. 264 compression allows for maximum encryption with the latest technology as well as backwards compatibility with legacy platforms. SECURE CLOUD VIDEO BACKUP – The optional Amcrest Cloud remote video storage subscription service allows you automatically store your videos off-site in a third-party location hosted and secured by AWS. This way if something happens to your local PC/NVR/SDcard/NAS, the footage will be safely recorded in a secure off-site location and accessible to you through a web-based Flash interface for PC (Chrome/Firefox/Safari/Edge) and AmcrestCloud smartphone app. This product may contain components that are not NDAA compliant.

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2007215 — In Visual and Optical Testing (NDT) the common requirements/recommendation are: A minimum intensity of 160 lx (15 ftc) of ilumination should be ...

– Receive motion alert notifications and review footage via your smartphone with the Amcrest View Pro 2 app. Playback and record professionally on a PC using the Amcrest Orion Surveillance Software for Windows and MAC (included) or Blue Iris Professional. Works with Amcrest Cloud remote video storage, MicroSD card (up to 256GB), Amcrest NVRs, Synology and QNAP NAS, FTP, Pale Moon and Sea Monkey Browsers, IE, Safari, Firefox 49. 0 and Chrome with Amcrest Web View Extension. Wide Dynamic Range up to 120dB. DAY OR NIGHT, RAIN OR SHINE – Built to whether any storm and the darkest of nights, this Dome 4K PoE IP Camera features a heavy-duty metal weatherproof IP67 housing & IK10 Vandal Resistant Dome as well as built-in IR LEDs and a CMOS 1/2.7” 8MP progressive image sensor to achieve unsurpassed low-light capability and night-vision up to 98 feet. Dual H. 265/H. 264 compression allows for maximum encryption with the latest technology as well as backwards compatibility with legacy platforms. SECURE CLOUD VIDEO BACKUP – The optional Amcrest Cloud remote video storage subscription service allows you automatically store your videos off-site in a third-party location hosted and secured by AWS. This way if something happens to your local PC/NVR/SDcard/NAS, the footage will be safely recorded in a secure off-site location and accessible to you through a web-based Flash interface for PC (Chrome/Firefox/Safari/Edge) and AmcrestCloud smartphone app. This product may contain components that are not NDAA compliant.

The Ethernet based GigE Vision standard is still considered the most frequently used interface in machine vision. It offers a large variety of compatible ...

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UV Laser or Ultraviolet Laser offer extremely high photon energy which opens up a wide range of applications that can’t be addressed by visible and infrared laser sources.

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* When referring to drive capacity, one gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one thousand billion bytes. Your computer’s operating system may use a different standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions and will not be available for data storage. Quantitative usage examples for various applications are for illustrative purposes. Actual quantities will vary based on various factors, including file size, file format, features, and application software. Actual data rates may vary depending on operating environment and other factors. Amcrest reserves the right to change, without notice, product offerings or specifications.

– The optional Amcrest Cloud remote video storage subscription service allows you automatically store your videos off-site in a third-party location hosted and secured by AWS. This way if something happens to your local PC/NVR/SDcard/NAS, the footage will be safely recorded in a secure off-site location and accessible to you through a web-based Flash interface for PC (Chrome/Firefox/Safari/Edge) and AmcrestCloud smartphone app. This product may contain components that are not NDAA compliant.

UV lasers use a highly absorptive wavelength (355 nm) to mark parts. This high absorption rate allows UV lasers to perform "cold marking," ensuring that no extra heat stress is applied to materials, including those with high reflectance such as gold, silver, and copper. This minimizes soot and burrs caused by typical marking and processing.

Pulsed high-power ultraviolet lasers can be used for efficient cutting and drilling of small holes in a variety of materials, including materials that are transparent to visible light. High energy UV pulses are used for the technique of laser-induced breakdown spectroscopy. With far lower pulse energies in a precisely focused beam, one e.g. do microdissection of biological materials under a microscope or perform photoluminescence analysis (fluorescence lifetime measurements). Continuous-wave UV sources are required for micro-lithography and for wafer inspection, e.g. in the context of semiconductor chip manufacturing. Another application is UV Raman spectroscopy. Both continuous-wave and pulsed UV lasers are used for fabricating fibre Bragg gratings. Some methods of eye surgery, in particular refractive laser eye surgery of the cornea in the form of LASIK, require UV (sometimes even deep-UV) laser sources. Ultraviolet laser sources involve some special safety hazards, mostly related to the risks of eye damage and causing skin cancer.

It’s important to point out that while 355 nm and 266 nm are the most common UV laser wavelengths, there are also several other Nd: YAG lines that can be doubled and tripled to produce a wide variety of UV wavelengths. To achieve these higher-order harmonics, the electric field density of the laser must be extremely high, as a result, these lasers are primarily available with q-switched lasers.  Continuous-wave (CW) UV laser diodes are also available at 375 nm, with both single-mode and multi-mode beam profiles, and with either free space or fibre-coupled outputs. OEM laser packages and CW laser modules are available for both ultraviolet laser diodes and q-switched lasers.

2020929 — INTRODUCTION Dark-field microscopy is ideally used to illuminate unstained samples causing them to.

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Apart from real ultraviolet lasers, there are ultraviolet laser sources based on a laser with a longer wavelength (in the visible or near-infrared spectral region) and one or several nonlinear crystals for nonlinear frequency conversion. Some examples:

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Ultraviolet lasers need to be made with special ultraviolet optics, having a high optical quality and (particularly for pulsed lasers) a high resistance to UV light. In some cases, the lifetime of a UV laser is limited by the lifetime of the used optical elements such as laser mirrors. For the extreme ultraviolet region, there are sources based on high harmonic generation. Such sources can reach wavelengths down to a few nanometers while still having a table-top format. The average output powers, however, are fairly low.

Input your surveillance technology specifications to estimate the necessary storage space needed to support your unique environment.

Hysol GR180R is a white, reflective epoxy molding compound used for optical applications. This fused silica filled (76 - 86%) product has been specifically ...