1.0um High Power Chirped FBG for Fiber Laser

Connet high-quality 1.0um fiber grating reflectors (also called Fiber Laser cavity mirrors) are written in specialty double clad optical fiber with optimized chirped Fiber Bragg Grating (FBG) writing technology. They are specially designed for 1.0um high power continuous and pulsed fiber lasers, suitable for single-mode fiber to the large mode field (LMA) fiber, the pump power handling capacity can reach more than 3000W.

Connet can provide various bandwidths and accurately matched high and low reflectivity gratings for different applications. They are offered in heat dissipative package or recoated only.

Specifications:

Parameter	Unit	Specification
Typical Central Wavelength¹	nm	1018, 1050, 1064, 1070, 1080, 1090
Tolerance on Central Wavelength	nm	1
Type of Reflector		HR	LR
Peak Reflectivity²	%	>99.5	10±2
FWHM² (3dB)	nm	2~3±0.3	1±0.1
Side Mode Suppression Ratio	dB	20	10
Wavelength Mismatch (LR to HR)	nm	0.2
Input/output Fiber Length	m	1
Package Type		Recoated or High Power Metal Housing

Notes:

1. Other central wavelength available on request.

2. Other bandwidth and reflectivity available on request.

Fiber Types:

Fiber Core/ Cladding Diameter(um)	Power Handling of Pump and Signal (W)					Package
	500/300	500/800	2000/1500	3000/2000	4000/3000	Recoated Only	Heat Dissipation Package
10/125	√					√	√
15/130	√					√	√
20/130	√					√	√
30/250		√				√	√
14/250			√			√	√
20/400				√	√	√	√
22/400				√	√	√	√
25/400					√	√	√

Notes: Other fiber types available on request.

Package Dimensions:

Ordering Information:

F-1111-2-333-4-5-66-77

l 1111: Fiber Type

1012: 10/125um NA=0.08/0.46

2040: 20/400um NA=0.065/0.46

2540: 25/400um NA=0.065/0.46

l 2: Grating type

H: High Reflector

L: Low Reflector

l 333: Central Wavelength in nm

070: 1070nm

l 4: Bandwidth in nm

2: 2nm

*05: 0.5nm

l 5: Package

M: Metal Housing

R: Recoated

l 66: Reflectivity in %

99: 99%

10: 10%

l 77: Handling Power of Signal

02: 2000W

03: 3000W

Features:

· Extremely Low Temperature Slope

· High Conversion Efficiency

· High Power Handling

· Outstanding Reliability

· Wide Variety of Fiber Types

Applications:

· High Power Fiber Laser

· Pulsed Fiber Laser

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