The number of array or matrix elements depends on the application and the chosen package type being chosen. Standard TO-type packages can be used. Packages with built-in thermoelectric modules (Peltier elements) provide temperature stabilization of LED-chip parameters. Use of these packages allows creating different variations of LED arrays and matrices arrangements. Some of them are presented below.
Standard 4-element one-wavelength LED matrices with peak wavelengths at 3.4 and 4.3 μm in TO18 package
Please see the Indroduction of a 4-element one-wavelength LED matrices at 3.4 and 4.3 μm .
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