Yb-MCOF-35/250-56/400-07-2.2-T0.7 PM

Description

Yb-doped large mode area tapered PM optical fiber

Developed by our key partner INO, the Yb-MCOF-35/250-56/400-07-2.2-T0.7-PM is a tapered fiber designed for an output M² lower than 1.2, making it the perfect choice for high power pulsed applications requiring superior beam quality. It features a confined core for selective gain amplification of the fundamental mode, and a patented depressed-cladding design for enhanced suppression of higher order modes. This tapered fiber has a linear absorption of 2.2 dB/m @ 915 nm and an output core diameter of 56 µm.

Features & Benefits
  • Designed for output M² lower than 1.2
  • Effective mode area ~ 1000 µm2
  • Low photodarkening
  • Polarization-maintaining fiber
  • Depressed cladding for enhanced higher-order mode filtering
  • Confined core for selective amplification of the fundamental mode
Applications
  • High Peak Power Lasers
  • Ultrafast Amplifiers
  • Frequency Conversion
Specifications
Optical
Cladding Absorption @ 915 nm (dB/m)
2.2 ± 0.5
Cladding Absorption @ 975 nm (nominal) (dB/m)
8
Core Numerical Aperture
0.07 ± 0.01
Cladding Numerical Aperture
> 0.47
Birefringence
≥ 1.4 x 10-4
Beam quality factor Ma2
< 1.2
Geometrical & Mechanical
Taper Length (m)
0.7 ± 0.2
Non-Tapered Sections Length (m)
> 1.0
Small Core Diameter (μm)
35 ± 3
Small Cladding Diameter (μm)
250 ± 10
Small Coating Diameter (μm)
500 ± 30
Large Core Diameter (μm)
56 ± 5
Large Cladding Diameter (μm)
400 ± 20
Large Coating Diameter (μm)
520 ± 30

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