Optical Spectroscopy For Atomic Force Microscopy



ACTOPROBE LLC designs, manufactures and sells custom optical Spectroscopy/Microscopy Instruments and AFM Probes for conventional AFM to do single molecular spectroscopy of biomedical specimens and compound semiconductor material & devices. The company was founded in March 2009 .

We provide you with an accessory to your existing AFM to do optical microscopy and spectroscopy on single molecular level. Also, we offer you the most affordable AFM if you need one.

Latest News

DOE SBIR PHASE IIA. On May 28, 2019, Actoprobe was awarded a $1,000,000 Department of Energy (DOE) Phase IIA SBIR grant to develop Ultrafast Active AFM Optical Probe (AAOP).

NEW MEXICO’s SBIR AWARD MATCHNIG GRANTOn December 2018 Actoprobe was awarded a $50,000 grant from The New Mexico Economic Development Department.


Products and Services

AFM Probes

Optical Adapters for AFM

Scanning Confocal Microscope developed for IPG Photonics Inc.

Analytical Services

Sample based surface imaging and analysis:

  • Mechanical Properties
  • Optical Properties
  • TERS


Testing Optoelectronic Materials and Nano-devices

  • FPA side wall characterization
  • Color filter arrays (CFA) and micro-lens Characterization for focal plane arrays
  • Cross-sectional characterization of strain layer superlattices (SLS)

Biophysics and Medical Research

  • Optical spectroscopy of a single virus and a single string of DNA
  • Tip-enhanced scanning probe Raman spectroscopy 
  • Optical nano-crystallography

Why Work with Us?


Information not available by other comparable techniques.


Improved optical resolution and signal-to-noise ratio.

Actoprobe Technology
Conventional Technology


Convenient measurement and time savings: self-alignment.


No need to spend extra money on a far-field optical microscope.

Meet the Team

Alexander Ukhanov, CEO

Founder of Actoprobe. Over 30 years of experience working in the field of optoelectronics and microscopy.

Fei Hung Chu, R&D Director

High-level laser processing engineer and designer. Over 10 years of experience in the field of optoelectronics and microscopy.

Gennady Smolyakov, Senior Scientist

Expert in semiconductor lasers and FDTD simulation. Over 30 years of experience in the field of optoelectronics and microscopy


Novel near field active optical probe with ultra fast short pulses

Novel semiconductor-laser-integrated active AFM optical probe with ultrashort pulses and nanoscale aperture is demonstrated with 3.5 ps pulse width and 11.4 GHz repetition rate.

Novel semiconductor-laser-integrated active AFM optical probe with ultrashort pulses and nanoscale aperture

We have demonstrated a novel type of AFM probe – Ultra-Fast AFM Active Optical Probe (UFP AAOP) by monolithically integrating a mode-locked diode laser and AFM tip.

Tip-enhanced stimulated Raman scattering with ultra-high-aspectratio tips and confocal polarization Raman spectroscopy for evaluation of sidewalls in Type II superlattices FPAs

Actoprobe team had developed custom Tip Enhancement Raman Spectroscopy System (TERS) with specially developed Ultra High Aspect Ratio probes for AFM and TERS measurements for small pixel infrared FPA sidewall haracterization.

Confocal Raman Spectroscopy and AFM for Evaluation of Sidewalls in Type II Superlattice FPAs

We propose to utilize confocal Raman spectroscopy combined with high-resolution atomic force microscopy (AFM) for nondestructive characterization of the sidewalls of etched and passivated small pixel focal plane arrays (FPA) fabricated using LW/LWIR InAs/GaSb type-II strained-layer superlattice (T2SL) detector material.