Grating

by CA Combs · 2010 · Cited by 183 — Wide-field Fluorescence Microscopy (WFFM) Techniques. In the most basic form (WFFM) involves exciting the fluorophore(s) in the sample of interest using a ...

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Diffraction grating

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Echellegrating

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Fraunhoferdiffraction

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Features of the ribbon 3D printer CR-30 · The print head works at an angle of 45° - more than 200 hours of continuous extrusion. · Print size W×H×D (mm) - 200× ...

Diffraction gratingexperiment

• Measures water level and velocity in partially filled pipes and open channels• No flume or weir required• Extreme low power consumption • Uses standard Alkaline D-cell batteries• 130,000 point data logger• USB output• Powerful Windows software• LCD bar graph display

Jun 22, 2021 — Solution Show Solution. The phenomenon of restricting the vibrations of light (electric or magnetic field vector) to a particular direction ...

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diffractiongrating中文

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We report a new class of high-dispersion immersed diffraction gratings for which the reflective nature of the diffraction is provided by the phenomenon of total internal reflection (TIR) regardless of grating tooth shape. Thus, the component can be fabricated from a single dielectric material and requires no metallic or dielectric film layers for high reflection diffraction efficiency. With the absence of metallic absorption, diffraction efficiencies of these TIR gratings can reach more than 99% for 15–20-nm spectral bandwidths, making them suitable for many laser-based technologies.

Blazedgrating

The Stingray 2.0 is a portable level-velocity logger, with free Greyline Logger Software for the calculation of flow as an open channel meter. The design is compact, portable, and battery-powered which makes it a fantastic instrument for open channel flow measurement. Using four standard Alkaline D-cell batteries to operate as a battery-powered data logger, the unit is a complete area velocity logger with an ultrasonic sensor that data logs level, velocity, and water temperature for flow monitoring through open channels, partially full sewer pipes and surcharged pipes.  Easy to Operate The sensor is installed in the bottom of a pipe or channel and requires no calibration . Use the included Greyline Logger software to set the logging interval and get real-time flow readings on your laptop or PC. The built-in LCD display lets users check level and velocity rates, remaining battery life, and logger memory.  The Stingray 2.0 can scroll through the level, velocity, and temperature readings, and indicates the unit’s remaining battery life and logger storage capacity. To help with battery life, the display will turn off automatically after 60 seconds to preserve battery.  Ideally used for many open channel flow monitoring applications like flow surveys and studies, I&I (Inflow and Infiltration) studies, CSO monitoring, stormwater runoff, irrigation water, and permit compliance. The submersible ultrasonic sensor continuously monitors both level and velocity in the channel with no calibration required. The Stingray 2.0 portable open channel level-velocity logger stores 130,000 data points and offers USB data download to view real-time level and velocity readings, view the remaining logger and battery capacity, and set the logging interval. This compact, portable battery-powered data logger is designed for flow measurement in applications without a flume or weir, especially stormwater, combined effluent, raw sewage, irrigation water, raw sewage, and streamflow.

Nov 30, 2015 — If you are a well-meaning but deluded person, here's some advice. Never use the term HWP. Most women, since practically birth, are trained ...

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Diffraction gratingformula

Feb 15, 2020 — Yes, it is possible to amplify the light produced by a laser through a process known as optical amplification. This involves using an active ...

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Spectral imaging coupled with linear unmixing is an advanced technique used to discriminate individual emission spectra from fluorophore combinations that ...

General SpecificationsSpec name:Description:Electronics EnclosureIP 67 polycarbonateAccuracyLevel: ±0.25% of rangeVelocity: ±2% of ReadingDisplayLCD displays: Level, Velocity, Water Temperature, Battery, and Memory capacityOperating Temperature (Electronics)-20 °C to 60 °C (-4 °F to 140°F)Instrument Set-upvia Greyline Logger software for Windows: Logging Time Interval, Site NameLogger Interval10 sec (15 days), 30 sec (45 days), 1 min (3 months), 2 min (6 months), 5 min (1 year), 10 min (2 years), 15 min (3 years), 30 min (4 years), or 60 min (4 years)Data Logger capacity130,000 data pointsPower4 Alkaline "d" cell batteriesOutput/CommunicationsUSBUSB Cable1 m (3 ft) shieldedSoftwareGreyline Logger for Windows. Supports real-time monitoring, log file download and export, graph and data table presentation, level/velocity to flow conversionApproximate Shipping Weight4.5 kg (10 lbs)QZ02L Sensor SpecificationsSpec name:Description:Velocity Measurement Range0.03 m/s to 3.8 m/s (0.1 ft/s to 12.5 ft/s) in fluids containing bubbles or solids with a minimum size of 100 microns and a minimum concentration of 75 ppm to act as acoustic reflectorsLevel Measurement RangeMinimum Head: 25.4 mm (1 in). Maximum Head: 4.57 m (15 ft)Operating Temperature-15 °C to 80 °C (5 °F to 175 °F)Exposed Materials316 stainless steel, epoxy resin, polyurethaneSensor Cable7.6 m (25 ft) submersible polyurethane jacket, shielded, 3-coaxialSensor MountingIncludes MB-QZ stainless steel mounting bracketTemperature CompensationAutomatic, continuous

We report a new class of high-dispersion immersed diffraction gratings for which the reflective nature of the diffraction is provided by the phenomenon of total internal reflection (TIR) regardless of grating tooth shape. Thus, the component can be fabricated from a single dielectric material and requires no metallic or dielectric film layers for high reflection diffraction efficiency. With the absence of metallic absorption, diffraction efficiencies of these TIR gratings can reach more than 99% for 15–20-nm spectral bandwidths, making them suitable for many laser-based technologies.