ACTOPROBE LLC designs, manufactures, and sells custom optical Spectroscopy/Microscopy Instruments and AFM Probes for conventional Atomic Force Microscopy (AFM) to enable single molecular spectroscopy of biomedical specimens and compound semiconductor materials & devices. They offer accessories for existing AFMs to perform optical microscopy and spectroscopy at a single molecular level, providing cost-effective solutions compared to purchasing new AFM systems. Actoprobe focuses on developing Ultrafast Active AFM Optical Probes and offers services for testing optoelectronic materials, nano-devices, biophysics, and medical research. The company's expertise lies in improving optical resolution, signal-to-noise ratio, and providing unique results not achievable through other techniques.