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2016921 — In the settings of the paraxial Gaussian beam formula in COMSOL Multiphysics, the default waist radius is ten times the wavelength, which is ...

IMX183 CMOS Image Sensor for Consumer Camera. Resolution : 20M ; Image Size [Type] : 1 ; Pixel SizeV = H [#181;m] : 2.4 ; Max Frame Rate [frame/s] @ All ...

This technical paper examines demand and market growth projections for electric vehicles and wind turbines and explores the efficiency of rare earths’ use. It pays special attention to patent activity in magnets around the world. On the supply side, it explores: the outlook for the mining and processing of rare earths; current costs and their implications; and approaches to enhance the security of rare earth elements supply. The paper also delves deeper into the opportunities that innovation can play in reducing dependency on rare earths and discusses related policy implications.

Thorlabs' selection of dielectric-coated spectral filters is presented here. Our hard-coated bandpass filters offer high transmission for center wavelengths ...

This instrument contains two lens systems for magnifying specimens: the ocular lens in the eyepiece and the objective lens located in the nose-piece. The ...

A dual-purpose Stage 1 filter can be used in tandem with our rectangular VNDs to create a variable ND effect, used with a straight ND filter or used ...

The rare earths are a group of 17 chemical elements, several of which are critical for the energy transition. While conventional energy also relies on rare earths, the mix of energy-relevant rare earths that are needed going forward differs from the past.

The technical paper on Critical Materials for the Energy Transition emphasises that an accelerated energy transition requires a growing supply of critical materials, with Chapter 7 of the IRENA’s World Energy Transition Outlook 2022 further elaborating on these materials. IRENA continues to publish technical papers on groups of critical materials: the first one focuses on lithium and this second paper focuses on rare earth elements.

This approximation holds when the numerical aperture is small. The f-number describes the light-gathering ability of the lens in the case where the marginal ray ...

ADJ provides quality, professional DJ strobe light products and LED strobe lighting kits for DJs to create strobe effects for parties, events, concerts, ...

Jun 9, 2022 — How do aspherical lenses work? An aspherical lens helps to reduce distortion, thus creating clearer vision. It eliminates optical imperfections ...