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Why is Polarization Switching Unsuitable for Interferometry?

A common problem for HeNe laser customers is the issue of polarization switching, which is the sudden change of the polarization of different modes, especially in shorter tubes, which can be particularly detrimental when operating frequency stabilized HeNe laser tubes. This phenomenon is sometimes referred to as ‘mode hopping.’ However, this is not accurate. While somewhat similar to polarization switching, mode hopping involves the laser’s operation on a single resonator mode, which suddenly switches to another mode, causing the optical power to switch over to this… Read More

Highly Efficient and Passively Cooled Next-Gen 275W Diode Laser

Jenoptik is now offering the JOLD-275-CPNN-1L, their latest development in the field of high-power laser sources for industrial material processing, medical, and life science applications. Thanks to Jenoptik’s patented mounting and bonding technology, this new, passively cooled diode laser is able to achieve extremely high performance in hard pulse and CW applications. Jenoptik also utilizes the efficient and high-performance semiconductor materials they produce themselves to manufacture their high-power las… Read More

Industrial Nanosecond Fiber Lasers

Label, mark, and structure a variety of materials with extreme precision using nanosecond fiber lasers for laser material processing applications: the pulsed nanosecond fiber lasers are suitable for labeling, marking, and cutting different materials, as well as for structuring your surface exactly. They create laser marks on metals or plastics, for example, while extremely thin layers can be removed … Read More