The PPLN wavelength conversion device can achieve wavelength conversion of laser output light,using shorter wavelength lasers to achieve wavelength conversion of high-energy lasers,converting them into the required wavelength of the target,increasing the flexibility and adaptability of laser weapon systems, and better meeting combat needs. By transmitting a laser beam to periodically polarized magnesium doped lithium niobate(PPMgLN) Crystals， utilizing their nonlinear effects,can achieve effective conversion and amplification of laser energy,which is crucial for laser weapon systems, Means higher energy output and the killing effectiveness.

PPLN wavelength conversion devices are used to generate interference signals by changing the frequency or wavelength of the input optical signal,causing interference or even failure of the target optical equipment. Periodic polarization magnesium doped lithium niobate(PPMgLN) crystal, Can be used for the transmitting and receiving ends of optical interference sources.By adjusting the wavelength and intensity of the input optical signal,it is possible to identify and analyze optical interference sources,there by providing a means of countering interference.

PPLN wavelength conversion devices are used in fiber laser radar systems to convert laser signals emitted by lasers into optical signals of other wavelengths,providing higher spatical resolution and accurate target positioning information. Periodic polarized magnesium doped lithium niobate(PPMgLN) crystals, are used to manufacture high-performance optical waveguide devices,such as optical waveguide modulators and switches.The optical waveguide inertial navigation system utilizes the characteristics of light waves propagating in waveguides to determine attitude,position,and velocity by measuring the phase and intensity changes of optical signals.

NDIR gas sensor and TDLAS gas sensor the device has the characteristics of high sensitivity,fast response,and high selectivity,and has a wide range of applications in the power industry,coal mining field,industrial safety,air quality monitoring,and other scenarios.

PPLN wavelength conversion devices are used in optical components such as fiber couplers,gratings, and filters in fiber optic communication system, These components can modulate and control the transmission and processing of optical signals, improving the speed,capacity,and stability of fiber optic communication.

Periodic polarization magnesium doped lithium niobate(PPMgLN) crystal It can be used to make precision measurement systems, such as laser interferometers,grating measurement devices,etc.,widely used in high-end manufacturing fields such as aerospace.