IdealPhotonics' 740-770nm DBR diode, based on an AlGaAs/GaAs material system distributed Bragg reflector laser, achieves single-mode narrow linewidth (<0.08nm) output by employing strain-compensated multiple quantum wells and a λ/4 phase-shifting grating (period accuracy ±0.15nm). It exhibits wavelength stability of ±0.015nm/℃ in near-infrared applications such as 760nm oxygen sensing and 750nm industrial detection. Its unique combination of a 40dB side-mode suppression ratio and 100mW output power fills the technological gap in high-power narrow-linewidth visible light lasers.Employing an AlGaAs/GaAs strain-compensated quantum well and a λ/4 phase-shift grating (±0.1nm accuracy), it achieves a breakthrough wavelength stability of <0.08nm and ±0.015nm/℃. In key applications such as 760nm oxygen detection (0.1ppm sensitivity) and 755nm semiconductor detection, it simultaneously achieves a 45dB side-mode rejection ratio and 120mW output power. Its unique "thermal tuning + current tuning" dual-mode mechanism enables a wavelength tuning range of 8nm, making it a benchmark light source for industrial gas monitoring and precision optical measurement.