Hermetically Sealed Periodically Poled Lithium Niobate (PPLN) Ridge Waveguide


Frequency-doubled light wavelength 780nm, Input light wavelength 1560nm; Output power 2W, Input and output optical fiber PM1550+PM780

Part Number  :  PSLD-1550
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The hermetically sealed periodically poled lithium niobate (PPLN) ridge waveguide achieves complete sealing through metal/ceramic packaging materials, effectively blocking external contaminants such as moisture, dust, and corrosive gases (e.g., sulfur dioxide). This prevents internal component oxidation and material degradation. The device is filled with inert gases (e.g., nitrogen) to suppress oxidation reactions, significantly extending its lifespan. The product undergoes rigorous helium mass spectrometry leak testing, with a leakage rate of<5×10⁻⁷ Pa·m³/s, ensuring a leak-proof seal and guaranteeing reliability in extreme environments (high temperature, high humidity, high salt fog). It is suitable for demanding field applications, including maritime operations.

Parameter

Unit

Value

Optics

Input light wavelength

nm

1560

Frequency-doubled light   wavelength

nm

780

Output power

W

2

Polarization extinction   ratio (PER)

dB

≥20

Electrical

Thermoelectric cooler


5V,2A maximum,Qc=8W

NT C impedance @25℃

10

Mechanical

Input and output optical   fiber

-

PM1550+PM780

Environment

Operating temperature

10~+70

Storage temperature

-20~+80


Curve

ppln2.jpg.png

High power 1560nm frequency doubling waveguide output power curve



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