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PHOTOTHERMAL SPECTROSCOPY CORP.

Santa Barbara, CA · Materials · Private

Optical Photothermal Infrared (OPTIR) spectroscopy instrument for nanoscale chemical imaging and analysis

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Updated · photothermal.com

Sector
Materials
Headquarters
Santa Barbara, CA
Total capital
$12.4M
Federal grants
$9.8M
13 awards · 2018–2025
Rank in peer group#3 of 10
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$2.6M
7 awards · Health and Human S, Commerce, Veterans Affairs
Rank in Materials#115 of 1258
Granted patents
23
17 pending · first 2020
Rank in peer group#1 of 10

Capital timeline

20182019202020212022202320242025FEDERAL ↑EQUITY ↓Cumulative $12.4M$1.5M$1.1M$865K$862K$968K$959K
2018202020222024FEDERAL ↑EQUITY ↓Cumulative $12.4M$1.5M$1.1M$968K$959K

Latest events

  • Federal contractHealth and Human S · Purchase Of Optical- Photothermal Infrared- Raman- Fluorescence (o-ptir-r-fl) Microscope$637K
  • Federal grantHealth and Human S · Phase II · Video Rate Photothermal Infrared Spectroscopy (VR-PTIR)$959K
  • Federal contractCommerce · Purchase Of Mirage O-ptir Microscope$723K
  • Federal grantHealth and Human S · Phase II · Video Rate Photothermal Infrared Spectroscopy (VR-PTIR)$968K
  • Federal contractVeterans Affairs · Mirage-ls Sub-micron IR Multimodal Microscope$554K
  • Federal grantHealth and Human S · Phase II · Fluorescence Enhanced Photothermal Infrared Spectroscopy (FE-PTIR) - breakthrough for simultaneous fluorescence microscopy and sub-micron IR spectroscopy$862K
  • Federal contractCommerce · Procurement Of An Optical Photothermal Infrared (optir) Microscope$441K
Show 13 earlier federal awards
  • Federal contractHealth and Human S · Photothermal Service Agreement$37K
  • Federal grantHealth and Human S · Phase II · Fluorescence Enhanced Photothermal Infrared Spectroscopy (FE-PTIR) - breakthrough for simultaneous fluorescence microscopy and sub-micron IR spectroscopy$865K
  • Federal grantEnergy · Phase II · Optical Photothermal Infrared (OPTIR) microscope for in-situ characterization of cellular metabolism and chemical processes in cells and tissue$1.1M
  • Federal grantHealth and Human S · Phase II · IRaman: Breakthrough biomedical microscope with simultaneous infrared and Raman spectroscopy at sub-micron spatial resolution$807K
  • Federal grantHealth and Human S · Phase I · Fluorescence Enhanced Photothermal Infrared Spectroscopy (FE-PTIR)-breakthrough for simultaneous fluorescence microscopy and sub-micron IR spectroscopy$257K
  • Federal grantHealth and Human S · Phase II · Optical photothermal IR (O-PTIR) microscopy for chemical imaging of living cells at sub-micron resolution$600K
  • Federal grantHealth and Human S · Phase II · IRaman: Breakthrough biomedical microscope with simultaneous infrared and Raman spectroscopy at sub-micron spatial resolution$817K
  • Federal grantHealth and Human S · Phase II · Optical photothermal IR (O-PTIR) microscopy for chemical imaging of living cells at sub-micron resolution$600K
  • Federal contractHealth and Human S · Imaging Spectrometer$130K
  • Federal contractHealth and Human S · Infrared Microscope$102K
  • Federal grantEnergy · Phase II · Breakthrough Photo-thermal Modulation-based IR Microscope for Sub-micron Characterization of Cellular Metabolism and Chemical Processes within Cells$1.5M
  • Federal grantHealth and Human S · Phase I · IRaman: Breakthrough biomedical microscope with simultaneous infrared and Raman spectroscopy at sub-micron spatial resolution$219K
  • Federal grantHealth and Human S · Phase I · ConProject-001$205K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 10 peers

Line = median

Materials · Instrument

  • Federal grants#3 · top 30%
  • Granted patents#1 · top 10%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 23 granted of 40
  • PendingFluorescence Enhanced Photothermal Infrared Spectroscopy And Confocal Fluorescence ImagingUSPTOApplication 19447674
  • PendingAutomated Spectroscopic Analysis Of Micron-scale Microplastic Particles With Optical Photothermal Infrared SpectroscopyUSPTOApplication 19307689
  • PendingAutofluorescence Enhanced Photothermal Infrared SpectroscopyUSPTOApplication 19348359
Show all 40 patent records

Related companies, and why

Regulatory activity · Materials

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .