Yes that would work to double or triple the light hitting the cell by using either magnifying lenses or reflective mirrors.
Solar panel and magnifying glass.
Magnifying glasses increase heat intensity in a focused area but the photovoltaic process that makes solar marvelous is based on light not temperature.
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And 3s is triple the sunlight.
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High heat is not friendly to most building materials ultimately including solar panels although they are designed to function well north of three digits fahrenheit.
If the dispersal of heat is not controlled and managed then it s likely to cause more damage than good for the solar panels.
The problem is when solar cells get hot they become less efficient.