Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the ...

Dr. Chris Lawrence explains Read his words Transcription of the audio "Loewenhoek used the microscope perhaps more extensively than anyone else at this time to investigate the body. He described ...

The mIRage-LS optical photothermal infrared (O-PTIR) microscope has a spectral range of 3600-2700 and 1800-800 cm-1 for infrared (IR) spectroscopy and a spectral range of 3900 – 200 cm-1 for Raman ...