Powerful Emitters with Short Rise Times
VCSELs for Greater Range and Higher Resolution in LiDAR Applications
Bedford, NH - March 24, 2020 - LASER COMPONENTS has expanded its range of VCSEL lasers. Its wide range of products now includes emitters with 850 nm and 940 nm in power classes between 200 mW and 50 W. All products are characterized by extremely short rise times and thus support pulse trains in the low nanosecond range and below. Thanks to the semiconductor structure, the emission wavelength remains nearly constant, even with temperature fluctuations. This allows narrow-band bandpass filters to be used on the detector side. Upon customer request, the laser diodes are also available as powerful arrays.
In vertical-cavity surface-emitting lasers (VCSELs), light is emitted perpendicular to the chip's surface and can therefore be easily collimated. The high power and short pulse sequence of the compact multi-mode lasers make this technology attractive for the LiDAR market, among others. There, these properties ensure greater ranges and higher resolutions. Market researchers therefore assume that the global market for VCSEL lasers will grow rapidly in the next ten years.
Featured Product
T.J. Davies' Retention Knobs
Our retention knobs are manufactured above international standards or to machine builder specifications. Retention knobs are manufactured utilizing AMS-6274/AISI-8620 alloy steel drawn in the United States. Threads are single-pointed on our lathes while manufacturing all other retention knob features to ensure high concentricity. Our process ensures that our threads are balanced (lead in/lead out at 180 degrees.) Each retention knob is carburized (hardened) to 58-62HRC, and case depth is .020-.030. Core hardness 40HRC. Each retention knob is coated utilizing a hot black oxide coating to military specifications. Our retention knobs are 100% covered in black oxide to prevent rust. All retention knob surfaces (not just mating surfaces) have a precision finish of 32 RMA micro or better: ISO grade 6N. Each retention knob is magnetic particle tested and tested at 2.5 times the pulling force of the drawbar. Certifications are maintained for each step in the manufacturing process for traceability.
