Figure 4
From: Large-mode-area single-mode-output Neodymium-doped silicate glass all-solid photonic crystal fiber

Measured M2 factor at an output power of 0.8 W; Inset shows mode field distribution of the fiber.
From: Large-mode-area single-mode-output Neodymium-doped silicate glass all-solid photonic crystal fiber
Measured M2 factor at an output power of 0.8 W; Inset shows mode field distribution of the fiber.