QCL

Lasers that switch on and off billions of times per second are the backbone of optical communications networks, but this feat is only possible at certain laser frequencies. A team of researchers has now taken a step towards extending this frequency range by using sound waves to modulate the emission of a terahertz (THz) quantum [..]

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Blood Analyzer

Blood Analyzer

[two_fifth] [/two_fifth] [three_fifth last] Blood Analyzers count the number of different types of red and white blood cells, blood platelets, haemoglobin, and haematocrit levels in a blood sample using both electrical and optical techniques. Optical detection helps to gain a differential count of the populations of white cell types. A dilute suspension of cells is [..]

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