LARGE DIAMETER CLEAVER
Precision Cleaver for Standard, Large Diameter and Specialty Optical Fibers
Strip Clean Cleave Splice Recoat Test
LDC-400
The LDC-400 is a versatile optical fiber
cleaver that can be used to produce precise and consistent flat and angled cleaves on fibers ranging from 80 microns to 1.25 mm (coating up to 3 mm) in diameter. This tension-and-scribe system combines the well-proven precision diamond blade scribing technology used in Vytran’s LDC-200 and LDC-200-G cleavers and FFS-2000 fusion splicing
workstation with the tensioning capabilities of our linear proof tester products.
By using the same tension-and-scribe method that works so well to cleave telecom fibers, the LDC-400 handles large specialty fibers, yielding flat, perpendicular cleaves with mirror-quality end-face finishes.
The cleaver is fully automated with
programmable cleave tension, rotation angle and scribe conditions, and includes special processes for cleaving photonic crystal fiber (PCF), highly stressed fibers, or capillary tubing. The LDC-400 can also be used to cleave many non-circular fibers typically
used in fiber laser systems. It uses the same bottom v-groove inserts as our GPX and LFS systems, and through the use of a transfer clamp the cleaved fiber can be conveniently moved from the cleaver to the GPX/LFS system. The fact that the registration is
maintained and programmable between the cleaver and splicer allows for easy fabrication of end-caps and mode field adaptors. Fiber inserts must be ordered separately based on the range of fiber sizes to be used.
Telecommunications • Aerospace and Defense • Fiber Laser • Sensing • Medical • Research
Key Markets
Options
1Angle Cleave
1The angle cleave option adds a rotary drive mechanism that can introduce a torsional
component to the pre-scribe tension. This can be used to produce angle cleaves of up to 15 degrees, a common requirement for reducing back reflections at a cleaved end-face.
223Fiber Holding Block Inserts
2A series of individual fiber holding block inserts, or a full set, can be purchased for fiber sizes from 80 microns to 1.25 mm.
3PCF and Large Diameter cleave backstop
This option is required to cleave photonic crystal fibers and very large diameter fibers. It enables a smoother cleave surface.
Fiber Types
SM, PM and MM fibers up to 800 µm in cladding diameter for flat cleavesSM, PM, and MM fibers up to 800 µm in cladding diameter for angle
cleaves (up to 15 deg)PCF, PBF,
SM, PM, MM fibers above 800 µm in cladding diameter, capillary tubes, non-circular fibers, and specialty de-vices (combiners, etc.) for flat cleaves
LDC-400 Basic Configuration
Angle Cleave Option
Micrometer Backstop Option
Recommended for highly stressed fibers
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Recommended for highly stressed fibers
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For other fibers please contact Vytran.
Key Features / Benefits
Internal Vacuum
Ease of fiber loading and consistent fiber positioning
Adjustable mechanical slide
Enables precise control of cleave position
Angle cleave option Precise and consistent angle cleaves
LDC-400
Fiber holding blocks for accurate fiber positioning and clamping Results in highest fiber quality and process repeatabilityTension-and-scribe method Low-angle and flat cleaves -- critical for high performance splicing
Micrometer backstop option Allows low-tension PCF cleaves and large diameter fiber cleaves
Precision controlled scribing process
Repeatable, consistent and accurate cleaves
Common fiber holding blocks with other Vytran tools For ease of use and main- taining fiber position registration during the cleaving and splicing processes
Unique “sub-critical” cleave process
Optimal technique for cleaving PCF and large diameter fibers
Programmable cleave parameters
Accommodates a wide range of fiber sizes
(80µm to 1.25mm in diameter) and different types of conventional and specialty fibers, including circular, PM, non-circular fibers, PCF and capillary tubes
Remote controlled tension, velocity, oscillation, scribe delay
Handset controller gives user full control over the cleave process
Preliminary LDC-400 Specifications
Overall Size Weight Power Ext. Supply
Services
H: 5.0˝ (127mm), W: 10.25˝ (260mm), D: 5.0˝ (127mm)10.0 lbs (4.5 kg)
12.5 VDC, 5A (provided by external power supply)100-120 / 200-240 VAC, 4.5 / 2.2 A, 47-63 HzInternal vacuum pump for fiber holding blocks Tension and scribe
Diamond blade, stepper motor controlledLinear tension, stepper motor controlled0.1 degree resolution, stepper motor controlled5.5 kg, programmable160 microns to 3.0 mm80 microns to 1.25 mm
Individual inserts and full set available for fiber from 80 micron to 1.25 mm CE - RoHS
Cleave Method
Scribe Loading
Rotation (optional) Max. Tension Buffer Sizes
Cladding Sizes Insert sizes
Compliances
Related Products:
GPX–3000 Series
A multipurpose glass processing platform for creating splices, combiners, tapers, couplers and end-caps with optical fibers from 125 microns to 1.5 mm in diameter.LFS-4000
A filament fusion splicer for standard, large-diameter and specialty fibers.
www.vytran.com
1400 Campus Drive West | Morganville, NJ 07751 USA
Tel: +1 732-972-2880 Fax: +1 732-972-4410
8 Kew Court, Pynes Hill Office Campus | Rydon Lane | Exeter EX2 5AZ UK
Tel: +44 (0) 1392 445777 | Fax: +44 (0) 1392 445009
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