Fiber Heaters and Multiaxial Stands

Fibheat with Multiaxial Stand

Fibheat with Multiaxial Stand

fiber-heaters

fiber-heaters (decarbonized)

Fiber heaters process optical fibers and composite wires that can be inserted into the Fibheat units through the lateral slot (gap). See the pictures below.

What are Fiber heaters used for? Tapering, fiber couplers, selective heating, and joining.

What is tapering of fibers? Tapering of fibers, e.g., optical fibers, is done by heating a small fiber region to a high temperature while the fiber is gently stretched as evenly as possible. Tapering reduces the diameter of the fiber and heated core.

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MicroFiber™ Heater

FibHeat200

Fiber Heater

FibHeat500

X-Ray or Neutron Port Enabled

MicroFiber™ Heater

FibHeat200-THM-XRD

X-Ray or Neutron Port Enabled

MicroFiber™ Heater

FibHeat500-THM-XRD

IG Fiber Heater

 HEAT-1″ Zone

MicroFiber™ Heater

Maximum Element Temperature: 1900°C
Full Power  ~250 Watts
Good Heat Uniformity

MicroFiber™ Heater

Maximum Element Temperature: 1900°C
Maximum Power:~500 Watts
Great Heating Uniformity.

High Wattage Fiber Heaer

Maximum Element Temperature: 1900°C
Full Power  ~250 Watts
Good Heat Uniformity

Schematic A type shown

Fiber Heating and X Ray or Neutron Beams

Element Temperature: 1900°C
Total Power:  500 Watts
Great Heating Uniformity.

Schematic B is shown

Fiber heater with metallic casing

Maximum Element

Temperature: 1450°C

Total Power: 120 Watts.

12mm Zone
Medium Watts

The base of the slot can have a user-defined hole profile, as shown below.

25+mm Zone
High Watts. Please call MHI for different zone requirements based on the slot; you can have a user-defined hole profile as shown below

12mm Zone

and half Slot or full slot plus an orthogonal hole.*

***Large 25 mm Zone
High Watts. Partial and slant angle slots*. Maximized for the X-ray cross-section**

 3-20 mm depending on temperature
120 Watts

MHI Fiber Heaters may be used with the stand below in horizontal and vertical orientations. The Fiber Heaters are beneficial for optical fiber processing, especially fiber coupler fabrication or coning. Dimensions are available by calling 513-772-0404 or clicking on Contact Us. The heated fiber temperature will typically be lower than the heating element temperature (depending on the fiber). Thermocouples are not shown in the pictures above but in the image below. Thermocouples are included.   Specialty FibHeat200-XRD model Fiber Microheater with Fiber-Heater is available. X-Ray and Neutron Beam Ports for high-temperature testing are shown below. Photonic materials processing/testing is feasible. Note that high-power units have slightly slanted slots to accommodate multidirectional use ports. MHI provides a calibration curve custom to your application. Nominal uniformity profiles (only when available) are also available by contacting us. All MHI Fiber Heaters utilize MHI’s patented heating elements. Note that slot and hole directions are interchanged in the 75mm version. See further below for more description. MHI’s BPAN-O-PLUS and Data Acquisition System closed-loop control system, with over-temperature protection, is available for MicroFiber™ Heaters and Fiber Heaters. Compare the price with the online form below. Please visit the testimonials page for references./ MHI Control Panels will be shown on the quote when requested. Please inquire about UL and cUL.

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The thermocouple location is shown in the photograph below. Please note that the exact location differs between models or may be located to not interfere with a sample or a beam. A typical MHI multi-axis flexible stand for the fiber heaters is shown below.

Slot with Bottom HoleFiber heater temperature profile

The profile varies with installation and fiber slot sizes. It is very uniform – regardless, the ends can be cooled to get sharper drops.

MHI Flexible Stand with Easy Connectors. MHI Multipurpose (and Multi-axis) Stand with Thermocouple shown.

Also shown is the new Spot Heater

rfq    Basic Stand          

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SPOT  HEATER IGNITOR
igniter or spot heater

Spot Heater

Robust Ignitor

Robust Ignitor

Small Microheater. IG24-400-1400 Temperature typical 1400°C (2552°F).

Low Amps, High Temperature. Materials GAXP-IgMp   Hot Zone >1″

Robust Ignitor

Robust Ignitor

1″x ~1″ x 1/2″ envelope Robust Ignito

Square-U shaped. G is ~10mm. Hz is 12mm. The total length can be customized. The standard minimum length is 25mm. IG24 Microheater 1400°CRapidly heat – very high rate 20-600C per second. It takes about 10 seconds to glow temperature.

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