Figure 7
From: A Stable Dual-wavelength Thulium-doped Fiber Laser at 1.9 μm Using Photonic Crystal Fiber

Optical power fluctuation for both lasing wavelengths at 1851.30 nm and 1853.10 nm over 180 minutes.
From: A Stable Dual-wavelength Thulium-doped Fiber Laser at 1.9 μm Using Photonic Crystal Fiber

Optical power fluctuation for both lasing wavelengths at 1851.30 nm and 1853.10 nm over 180 minutes.