PPLN

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Periodically poled lithium niobate (PPLN) is a kind of nonlinear crystal with high efficiency of wavelength conversion. It has a wide light transmission range of 0.4-4.5 μ m, covering the near and mid infrared regions, and has a long service life. It can be used for frequency doubling, difference frequency, sum frequency, optical parametric oscillation and optical parametric amplification, etc OPO process can obtain 3 ~ 4.5 μ m wavelength of light, which can realize the band where conventional phase matching is difficult to achieve efficient output. Different wavelengths of PPLN correspond to different polarization periods

Description	Value
Type of conversion	SHG、DFG、SFG、OPO、OPA、OPG, etc.
Grating type	Grating type
QPM period	Standard and customized(4.0um~200um)
Wavelength	330nm~5500nm
Matching temperature	25℃~200℃
Size	Standard and customized
Duty	48%~52% or customized
Flatness	?/6@632.8nm<mailto:? 6=”” style=”box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin: 0px;”>
Parallelism	<10”
Perpendicularity	<10’
Surface Quality	10-5
Coating	AR/HR