Axsun Technologies Inc. Swept Laser based OCT Subsystems May 2012 Outline • Axsun Overview • Axsun Technology and Manufacturing • Axsun Swept Laser Engine products • Product Roadmap • Images • Summary Axsun Technologies Inc. • A wholly owned subsidiary of Volcano Corporation (Nasdaq: VOLC) • Founded in 1998, located in Billerica, MA • Producing more than ten thousand optical engines annually into Telecom, Industrial Spectroscopy and Medical Imaging applications • Unique tunable MEMS and optical AXSUN MODULE ASSEMBLY FACILITY integration technology • Telecom and Industrial products have strong synergy with Medical Imaging • 115 employees • 104 Issued Patents Optical Engine MEMs Technology and Manufacturing Platform High Capacity, Automated Manufacturing 5 The Axsun Platform – Unique Devices, Assembly, and Products Unique Devices Optical Bench Optical Engine Module Complete Subsystem The Axsun Platform – Unique Devices, Assembly, and Products Unique Devices Optical Bench Optical Engine Module Complete Subsystem The Axsun Platform – Unique Devices, Assembly, and Products Unique Devices Optical Bench Optical Engine Module Complete Subsystem The Axsun Platform – Unique Devices, Assembly, and Products Unique Devices Optical Bench Optical Engine Module Complete Subsystem Swept Source OCT Axsun Swept Laser Technology and Performance 10 Optical Coherence Tomography SSOCT OCT Techniques 1. Time-domain OCT 2. Frequency-domain OCT • Spectral-domain OCT • Swept-source OCT Swept-Source OCT advantages – Enables balanced and polarization diverse detection schemes – Longer Wavelengths, such as 1060 and 1300 nm, enable deeper penetration into tissue – Increased imaging depth range from slower signal roll-off – High SNR and Resolution in a compact, rugged package #11