TOPTICA's iChrome FLE is a flexible laser engine that combines up to 7 laser lines in up to two polarization-maintaining single-mode fibers. Power levels reach up to 100 mW per laser line. The flexible setup can be customized to meet the special needs of each customer. The standard wavelength range of the FLE is 405 to 780 nm. We will select the appropriate fiber according to your desired wavelengths. If the entire wavelength range is required, we can fully integrate a PC-Fiber (Photonic Crystal Fiber), to cover the full wavelength range of 405 to 780 nm. Like all iChrome systems, the FLE guarantees a plug & play installation via TOPTICA's proprietary COOL^AC automatic alignment technology.
The iChrome FLE is designed and optimized for many different microscopy techniques. The modulation behavior has been thoroughly tested and optimized at TOPTICA, to guarantee the best performance for scanning applications. Its power level and wavelength range also make it a perfect choice for many non-scanning applications, such as light-sheet microscopy (also known as SPIM), TIRF, spinning disk, structured illumination, super-resolution microscopy and many others.
COOL^AC gives the laser combiner plug-and-play simplicity. Installation is done with the simple click of a button in the user software. 
Green wavelength laser light (532*, 561 and 594 nm) is generated by TOPTICA´s proprietary FDDL (Frequency Doubled Diode Laser) technology, an all-diode approach for these very important wavelengths. Each laser line, including the FDDL’s, is directly modulated up to a frequency of 1 MHz and TOPTICA's "Complete OFF" mechanism guarantees zero photons in the off state. “Complete OFF” also means, that there is absolutely no crosstalk between the individual wavelengths.