Features

Luminos CORALIGN™ fiber optic switches incorporate a patented moving fiber design to achieve direct fiber to fiber coupling through either an air or oil filled gap, achieving the lowest Insertion losses in the industry. Losses as low as 0.01 dB (MM) and 0.2 dB (SM) that are only possible with direct fiber-to-fiber coupling.  With losses this low it is difficult to reliably measure the loss with connectors, as connector loss can vary by 0.1 - 0.25 dB.  Luminos CORALIGN™ Positioners were originally designed as part of a Connector Measurement System with 0.01 dB SM accuracy specifically so the optical loss of Luminos optical switches could even be measured.
 
There are no collimating lenses, epoxy or mirrors in the optical path, making every CORALIGN™ fiber optic switch wavelength independent, able to handle any wavelength that is compatible with the fiber used. These unique moving fiber switches are ideal for critical spectroscopy applications and are also suitable for high power applications.

It requires extreme precision for an optical switch to mechanically align Single Mode fibers with 0.01dB repeatability and long lifetime. Other manufacturers have also attempted to offer moving fiber switches without success. Mechanical adjustment screws are not precise enough to maintain long-term 1:1 alignment of moving fibers. Luminos patented designs succeeded by incorporating an 8:1 leverage mechanism into every switch to allow for realistic wear of adjustment screws. Luminos CORALIGN™ fiber optic switches operate with a smooth 1mm movement between mechanical stops, and generate an ultra-precise 0.125mm lateral shift of polished optical fibers. The moving fiber gap is only 10µm wide and is carefully created within continuous fibers using proprietary sawing and polishing equipment. The Luminos Fiber Saw System cuts so smoothly, it can even sculpt an unsupported bare 125µm silica fiber comb.
 
Luminos CORALIGN™ fiber optic switches are a viable alternative for applications traditionally handled by more restrictive fiber optic couplers. Multimode, normal loss (air gap) switches have been qualified for 500mW hot switching for 532-1300nm at switching rates up to 5Hz.

  • Singlemode and Multimode

  • Wavelength Independent

  • No lenses

  • Epoxy free optical path

  • High Power capable

  • Angled gap

  • Lowest Losses in the Industry

  • Low back reflection

  • Low insertion loss

  • PCB component style mounting

  • Compact package with cables on one side

  • Inline switch driver available

  • 1x2, 1x2 Center Off2x2, Dual 1x2, Dual 1x2 CustomDual 2x2 Half Duplex

The CORALIGN™ Difference

The CORALIGN™ portfolio of fiber optic switches utilizes the moving fiber design concept to achieve direct fiber to fiber connections.

These singlemode fiber optic switches achieve their high accuracy through the use of the patented precision deflection structure that is at the heart of each optical switch.

A CORALIGN™ switch physically moves optical fibers to axially align with different optical fibers. The ability to produce a fiber optic switch void of collimating lenses, mirrors and the need for alignment fixtures is key to delivering competitively priced, quality switches. Luminos Industries has developed the custom in-house production equipment that delivers these results.

It should also be noted that, due to their low cost, these switches should be considered as a viable alternative for those applications traditionally handled by more restrictive fiber optic couplers.

Low Losses

The simplicity of the direct fiber to fiber connection through an air or oil filled gap allow CORALIGN™ fiber optic switches to achieve the lowest insertion losses in the industry.

The low loss version uses indexing matching oil in the gap to achieve a lower insertion loss. In certain circumstances such as high power applications, oil cannot be used in the gap and we recommend using the normal loss version with an air gap.

Wavelength Independent

The elimination of any lenses or coatings in the moving fiber design mean the CORALIGN™ optical switch is wavelength independent and can handle any wavelength compatible with the fiber used.

High Power Application

The CORALIGN™ moving fiber design has no epoxy or lenses between fibers, making it suitable for high power applications.

The multimode, normal loss (air gap) switches have been qualified for 500mW hot switching for 532-1300nm given the recommended voltage and a switching rate not exceeding 5Hz.

High power applications for other switch types are possible but are subject to additional qualification. Contact us to discuss your application and requirements.

Drive Modes

All switches aside from the CO12 Center Off have 2 possible "Drive Mode" options: latching or non-latching. The drive mode is specified by the part # when ordering.

Latching 

A latching switch requires a short electrical pulse to change state and will maintain the new state without power.

1

V+

V=0

2

Gnd

Gnd

3

V=0

V+

Non-Latching

A non-latching switch is in state 1 with the power off and changes to the state 2 with power on. When power is removed, the switch reverts to state 1.

1

Gnd

Gnd

2

Not Connected

3

V=0

V+

Optical Switch Configurations

S12 Single 1x2

A standard 1x2 configuration with 3 fiber endpoints and 2 states.

CO12 Center Off 1x2

A 1x2 configuration with 3 fiber endpoints and 3 states with an additional "center off" state.

S22 Single 2x2

A standard 2x2 configuration with 4 fiber endpoints and 2 states.

D12 Dual 1x2

Equivalent to two S12 fiber optic switches in one switch that change state together and cannot be switched independently.

D12C Dual 1x2

Equivalent to two S12 fiber optic switches in one switch that change state together and cannot be switched independently, with an extra path in State 1.

D22HC Dual 2x2

Equivalent to two half duplex 2x2 optical switches in one switch that change state together and cannot be switched independently, with an extra path in State 2.

Specifications

Singlemode

Multimode

0.35dB

0.7dB

0.5dB

0.05dB

0.7dB

1.2dB

0.20dB

0.8dB

0.25dB

0.8dB

0.5dB

0.05dB

0.6dB

1.3dB

0.20dB

0.8dB

0.6dB

0.10dB

N/A

0.25dB

0.9dB

7ms

7ms

10ms

10ms

12ms

12ms

-65dB

-60dB

-60dB

-60dB

-55dB

-50dB

-50dB

-50dB

-70dB

-70dB

+17dBm

50mW

+20dBm

100mW

+20dBm

100mW

+23dBm

200mW (up to +27dBm 500mW)

Higher power possible with additional qualification. Contact us to discuss your application.

Note: 500mW hot switching for 532nm-1300 for all air-gap switches with MM fiber. Electrical Drive must be at recommended voltage with a transition time <1msec and a rate of switching not to exceed 5 Hz without additional customer qualification.

Singlemode

Multimode

±0.1dB

±0.1dB

±0.3dB

±0.3dB

±0.2dB

±0.2dB

0.01dB

0.01dB

0°C to 70°C

-30°C to 70°C

90%

20G's

50G's

Singlemode

Multimode

9/125µ

62.5/125, 50/125, 100/140 Graded Index, 50/125 Step Index, 105/125 Step Index

900µ

900µ

Pigtail (None), FC/PC, SC/PC, ST/PC, LC/PC, FC/UPC Ultra Polish, ST/UPC Ultra Polish, Duplex LC/PC, FC/APC

1m

1m

5V

100mA

4.2V - 6.0V

50ohm ± 10%

3 Pin Header 0.1 Spacing

1.6" x 1.4" x 0.55"

1.6oz

Testing

CORALIGN™ optical switches have passed the following Telcordia Tests:

  • GR1221: 6.2.1 Mechanical Shock (Impact Test)  Based on MIL_STD-883, Method 2002

  • GR1221: 6.2.2 Variable Frequency Vibration Test  Based on MIL-STD-993, Method 2007

  • GR1221: 6.2.3 Thermal Shock Test  Based on MIL-STD-883 Method 1011

  • GR1209: 5.1.9 Cable Retention

  • GR1221: 6.2.7 Temperature Cycling Test

  • GR1221: 6.2.4 High Temperature Storage Test

  • GR1221: 6.2.6 Low Temperature Storage Test
     

Contact us for detailed information

11 Tristan Court, Ottawa, Ontario, CANADA, K2E 8B9

Tel. +1-855-225-7600 (Toll Free US & Canada)

Tel. +1-613-225-7661

© 2020 Luminos

Business Hours Monday - Friday, 9 a.m. - 4:30 p.m. EST

ROHS Compliance Luminos products are in compliance with the European Union RoHS Directive 2020/95/EC with respect to the following substances: lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CR (VI)), polybrominated biphenyls (PBB), and polybrominated diphenyl ethers (PBDE).