Optical filter design is crucial in benchtop Raman spectroscopy instruments and recently for handheld Raman spectroscopy instruments, which are becoming increasingly popular for rapid forensic screening, historical investigations and pharmaceutical quality control.1...
Raman spectroscopy is one of the most widely used quantitative and qualitative spectroscopic techniques and is compatible with molecular and material samples. In a Raman experiment, the frequencies of the oscillations of the chemical bonds are measured, and the exact...
While Raman spectroscopy is widely used in many areas of analytical and medical sciences, including in situ and in vivo measurements,1,2 a challenge for Raman spectroscopy measurements is the inherently weak nature of the Raman effect. Most modern Raman spectroscopy...
Raman spectroscopy is a robust quantitative and qualitative spectroscopic technique for analysing molecular or material samples. Raman spectroscopy’s sensitivity to the vibrational structure of a sample makes it integral for identification. Each molecule or...
Bandpass filters are important optical components in shaping the spectrum of light. Many optical devices rely on bandpass filters to provide more signal and less background, essentially isolating frequencies within a particular band which are desirable for one reason...
Bandpass filters are optical filters that only let a selected range of frequencies through. Bandpass filters are used for many optical applications in telecommunications, satellite communications and data transfer for light modulation. This article will explore some...
Bandpass filters are a crucial component in many optical devices, providing a means of filtering out undesired wavelengths of light. Myriad applications use bandpass filters, including telecom, spectroscopy, and remote sensing. How do bandpass filters work? A bandpass...
Research astronomers around the globe observe objects that are millions of light years away from the earth, but deep sky observations are not the only area of interest. Fascinating discoveries are also made on: our nearest star, the sun; planets in our solar system;...
Observing the earth via satellites with imaging devices provides information for numerous applications. The fundamental concept behind optical earth observation is wavelength discriminated imaging from a large distance to the earth’s surface. This approach delivers...
Raman spectroscopy is an analytical method based on the detection of scattered light from a sample. Only a small fraction of light that is scattered is suitable for Raman spectroscopy; around 1 in 10 million incident photons induce a Raman scattered photon. Generating...
To conduct data analysis of nucleic acid samples, typically DNA, a reasonable amount of DNA material is essential. Today’s standard approach is to replicate very small samples of specific DNA to obtain sufficient quantities that allow detection or identification for...
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