Large Mode Area Photonic Crystal Fibers

PRODUCT

Large Mode Area Photonic Crystal Fibers

The selection of Crystal Fibre Large Mode Area fibers covers a range of fibers for diffraction limited high power delivery. The very large mode area enables high power levels without nonlinear effects or material damage.

With standard technology you have to trade large mode areas for single-mode operation, but the Crystal Fibre Large Mode Area fibers provide single mode operation in a large wavelength range – endlessly single mode operation.

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Large Mode Area Photonic Crystal Fibers

Features

Endlessly single mode operation – no higher order mode cut-off
Handles very high average power as well as high peak power
Low nonlinearities
Low fiber loss
Mode field diameter is wavelength independent
Available with core sizes from 5 to 25 microns

specifications

Single Mode Fibers
Nominal Parameter	LMA-5	LMA-8	LMA-10	LMA-12	LMA-15	LMA-20	LMA-25
Core Size [µm]	5	8	10	12	15	20	25
Cladding Diameter [µm]	125	125	125	125	230	230	258
Coating Diameter [µm]	245	245	245	245	350	350	342
MFD @ 1064 nm (1/e²)[µm]	4.7	7.5	8.8	10.3	12.8	16.5	20.9
Relative Power Handling	Low	Low	Moderate	Moderate	High	High	High
Relative Bend Loss at Short WL	Low	Low	Moderate	High	Moderate	High	High
Min. WL [nm]	400	400	500	700	500	600	800
Max. WL [nm]	1700	1700	1700	1700	1700	1700	1700
Single-Mode PM Fibers
Nominal Parameter	LMA-PM-5	LMA-PM-10	LMA-PM-15
Core Size [µm]	5	10	15
Cladding Diameter [µm]	125	230	230
Coating Diameter [µm]	245	350	350
MFD @ 1064 nm (1/e²)[µm]	4.4	8.6	12.6
Relative Power Handling	Low	Moderate	Moderate
Relative Bend Loss at Short WL	Low	Moderate	Moderate
Min. WL [nm]	400	500	600
Max. WL [nm]	1200	1700	1700