This is a mirror used for dispersion compensation in optical systems such as femtosecond lasers.
Femtosecond laser optical thin film filters and chirped mirrors are designed to have a dispersion opposite to that of materials like glass by adjusting the thickness of each layer, allowing the pulse after reflection to return to a state close to that immediately after oscillation. They are designed according to the wavelength range of the pulse and the amount of dispersion compensation needed for each optical system. 【Features】 ○ Mirrors for dispersion compensation used in optical systems such as femtosecond lasers ○ Design and proposals tailored to the desired wavelength ○ Designed to allow longer wavelengths of light to penetrate deeper into the mirror, aligning the phase after reflection and reducing pulse width For more details, please contact us or download the catalog.
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basic information
**Overview** - The pulses emitted from a femtosecond laser are composed of light from many wavelengths. - Mode-locking technology aligns the phases, enabling the generation of ultra-short pulses on the order of a few femtoseconds. - However, when the emitted pulses pass through the atmosphere or lenses, or are reflected by mirrors in subsequent optical systems, their width expands and becomes unsuitable for applications. - Many materials, including glass, have normal dispersion in their refractive indices, causing longer wavelengths of light to travel faster and shorter wavelengths to travel slower, resulting in pulse broadening. - Dielectric multilayer chirped mirrors → By adjusting the thickness of each layer, they are designed to have dispersion opposite to that of materials like glass, allowing the pulse to return to a state close to that immediately after emission. → They can be designed to match the wavelength range of the pulse and the amount of dispersion compensation for each optical system. For more details, please contact us or download the catalog.
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Applications/Examples of results
【Applications】 ○ Optical system for femtosecond lasers ○ Laser processing machines ○ Multiphoton excitation microscopes ● For more details, please contact us or download the catalog.
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Since the birth of our company's first pair of eyeglass lenses in 1939, Tokai Optical has responded to the advanced needs of "lighter, thinner, and clearer" lenses faster than anyone else, marking our journey as a true evolution of eyeglass lens technology. In particular, our high-sense lens designs that support eyewear fashion have garnered significant attention with each new product launch, shaping numerous trends. With pride as a manufacturer of advanced technology eyeglass lenses, and with a track record of being valued and loved by our customers, each employee is constantly dedicated to tackling new challenges with sincerity.