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Long-distance Spectrometer

Ultra-long-working-distance spectroscopy of single

Tiny elliptical microlenses efficiently focus light onto and extract it from nano-sized light emitters, enabling an ultra-long-working-distance measurements.

Bruker CRONO

CRONO is a mobile and reconfigurable fast micro-XRF scanner. Based on the EDXRF technique, it has been designed for in-situ, non-destructive and high speed examination of large objects.

Compact Dyson imaging spectrometer with large working distance

In this paper, a Dyson imaging spectrometer with freeform surface has been designed. The freeform surface is used to enlarge clearance distance and compensate the large residual aberration without

Optical design of Fery imaging spectrometer with large working distance

This article demonstrates a imaging spectrometer using Fery prism with large working distance and long slit length. Two spherical lenses are inserted between the double-convex lens and

Long-Distance Measurements Using a Chromatic Confocal Sensor

In this work, we demonstrate the use of a chromatic confocal sensor for long-distance measurements. The sensor increases the working distance of state-of-the-art confocal sensors by a

Long Distance Continuous Methane Emissions Monitoring with

We present the successful implementation and validation of a dual-frequency comb spectrometer coupled to an atmospheric inversion system (DCS Observing System) for the monitoring of methane

Remote measurements for bulk samples

One of the major benefits of this long-distance measurement technique is being able to handle samples of various sizes and thicknesses without needing to adjust the laser focus for specific samples.

Cross dual-microcomb dispersion interferometry ranging

Our scheme boasts the potential of straightforward chip architecture and minimal detector requirements and provides an advanced method for future high-precision long-distance

Mode-resolved frequency comb interferometry for high-accuracy long

We have demonstrated absolute distance measurement for distances up to 50 m utilizing thousands of wavelengths from a femtosecond frequency comb, resolved by a VIPA spectrometer.

Broadband high-resolution line-imaging spectrometer with a large

The angular resolution of existing imaging spectrometers does not vary with the measuring distance. However, existing imaging spectrometers cannot achieve a high spatial resolution for all

Long-Distance Measurements Using a Chromatic

In this work, we demonstrate the use of a chromatic confocal sensor for long-distance measurements. The sensor increases the working distance of

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