EXALOS releases improved Combi-SLED at 740-940 nm for High-Resolution OCT

These so-called combi-SLEDs are standard 14pin Butterfly (BTF) modules that integrate four SLED devices at center wavelengths of 760 nm, 800 nm, 840 nm and 880 nm into a compact optical module, which are spectrally combined using high-performance dichroic filters. They deliver a 3dB and 10dB optical bandwidth of 165 nm and 190 nm, respectively, with a typical ex-fiber output power of 15 mW. This ultra-broad optical spectrum corresponds to a coherence length of 2.4 microns in air, which translates to an axial resolution of 1.8 microns in tissue for ultra-high-resolution OCT imaging. The combined optical spectrum has a uniform polarization orientation with an extinction ratio of more than 20 dB, which results in improved imaging performance with high imaging contrast and reliable resolution compared to conventional combined-SLED sources.

The patented combi-SLED architecture is realized using EXLOS’ automated, high-precision, micro-optical assembly platform (HOPP) that has been qualified based on Telcordia and MIL industry standards, meeting highest requirements for shock and vibration, high-temperature operation and long-term reliability.

About EXALOS

EXALOS AG, an Indie Semiconductor company, is manufacturing state-of-the-art SLEDs in the visible and near-infrared wavelength range for a broad range of industries, including biomedical imaging, fiber optic gyroscopes, interferometry, machine vision, optical sensors, automotive, test equipment or other demanding applications. EXALOS is offering broadband SLED devices at various wavelengths, ranging from 400 nm to 1700 nm. The company has its headquarters in Schlieren, Switzerland.

Please contact our Sales Team to get more information:

Asia

Huang Huang
Asia Sales Manager
+86 755 8370 2421
moc.s1736760129olaxe1736760129@gnau1736760129h1736760129