CRONUS-3P is a turnkey laser source developed for advanced nonlinear microscopy. It provides µJ-level pulses with durations down to 50 fs at repetition rates of up to 2 MHz. The pulses are tunable in the short-wavelength infrared (SWIR) range from 1250 to 1800 nm, covering the biological transparency windows at 1300 and 1700 nm essential for three-photon (3P) microscopy. Additionally, CRONUS-3P features integrated group delay dispersion (GDD) control, beam steering, and an optional simultaneous 1030 nm output.

Conventional multiphoton imaging in the SWIR range often requires complex multi-device laser systems, large optical tables, and skilled staff, creating barriers for neuroscience and other biomedical applications. CRONUS-3P addresses the challenges as a next‑generation, industrial-grade, single-supplier solution. Compact, reliable, and versatile, it offers tunable femtosecond excitation with GDD compensation to ensure optimal pulse duration at the sample. Its industrial-grade design guarantees high pulse-to-pulse energy and long-term power stability.

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