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BBO is the only real NLO content that may be made use of to make the fifth harmonic era (5HG) of Nd:YAG lasers at 213 nm. As a result of a small acceptance angle and huge angular walkoff, good laser beam high quality (modest divergence, excellent mode issue, and many others.
Thorlabs provides a wide variety of optics optimized for use with femtosecond and picosecond laser pulses. You should see under For more info.
Quantum optics: BBO crystals provide for quantum optical experiments like knotted photon pair technology, quantum condition tomography, quantum cryptography, and quantum evaluation.
For beams having a superior PRF both of those the normal and peak powers should be as compared to the equal CW electricity. Furthermore, for remarkably clear resources, There exists minor to no fall during the LIDT with raising PRF.
Phase matching substantially increases the conversion efficiency and will be required to get hold of sufficient frequency-doubled light for applications, but next harmonic generation (SHG) will take place regardless of whether phase matching just isn't done. The influence of section matching to the output depth of SHG light (I2ω) is illustrated in Determine 16.
The Rayleigh range quantifies the gap, calculated from your beam midsection, more than which the beam diameter is around continual. The shorter the Rayleigh selection, the larger the speed of divergence.
The majority of our regular crystals occur mounted into open ring holders. Make sure you Take note the letter "H" in the product or service code which implies that crystal is provided mounted.
A5: Yes, BBO crystals have outstanding thermal steadiness and will sustain their Houses at place temperature. Consequently they can be Utilized in an array of environments without the need of requiring Distinctive temperature Command.
Small acceptance angle: BBO crystals have a small acceptance angle that limitations the enter gentle beam’s mild beam divergence and top rated mode excellent for successful regularity conversion.
We use click here Numerical Aperture (NA) to describe the extent of the angular content. Ideally, the fundamental laser light might be collimated throughout the crystal, given that collimated gentle resembles a gaggle of rays aligned to the exact same course by having an NA of zero.
Also, it can be highly desirable to employ a crystal content which can be critically period-matched at home temperature mainly because noncritical phase matching normally involves the operation in the crystal in a very temperature-stabilized crystal oven. Nevertheless, the feasibility of vital period matching may be given only for sufficiently significant peak powers.
The 266nm technology refers to the manufacture of ultraviolet light-weight by using a wavelength of 266 nanometers.
Any imperfections while in the chopping approach could perhaps influence the optical Qualities of the crystals.