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2016 - Simultaneous blood flow and blood oxygenation measurements using a combination of diffuse speckle contrast analysis and near-infrared spectroscopy

2014 - Towards telecommunication payloads with photonic technologies

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2013 - A fiber-optic system for dual-modality photoacoustic microscopy and confocal fluorescence microscopy using miniature components

2012 - Miniaturized all-optical photoacoustic microscopy based on microelectromechanical systems mirror scanning

2011 - Effects of Radiation on MEMS

2011 - Digital optical tomography system for dynamic breast imaging

2006 - A flexible telecom satellite repeater based on microwave photonic technologies

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OVERVIEW

The SW fiber optic switch is a very fast opto-mechanical switch based on the MEMS technology. The component is designed for fast switching between two single mode fiber ports. The switch is available in several variants. The highly reliable switching mechanism uses an integrated micromirror and features below 1 ms switching time and only 0.5 dB insertion loss.

The miniature package withstands rugged environments and is well suited for direct mounting on printed circuit boards. The switch is qualified according to Telcordia GR 1221.

DESCRIPTION

The non-latching switch modules are fast and reliable switches designed for single mode fiber instrumentation. The device is based on the latest silicon MEMS technology and uses a micro-mechanical mirror to switch light. Operated by an electrostatic actuator, the switch features fast switching below 1 ms and high crosstalk attenuation above 50 dB. The switch is powered by a 5 V supply voltage. A 5 V TTL or CMOS drive signal is used to control the switching state.

With 0 V on the drive pin (No 2) the switch is in its bar state (port 1 – port 3).

When 5 V are applied to the drive pin, the micromirror is moved out of the optical path, which puts the switch into its cross state (port 1 – port 4).

At power off, i.e. when either the supply voltage or the drive signal falls to 0 V, the switch returns into its bar state.

sw1x2 dsc 2808

TECHNICAL SPECIFICATIONS SW1x2

	Unit	Min	Typ	Max
*Switch*
Wavelength range	nm	1240		1640
Insertion loss	dB		0.5	0.9
Crosstalk	dB		75	50
Back reflection	dB		55	50
Polarisation Dependent Loss	dB		0.04	0.10
Switching Time	ms		0.5	1.0
Switching Voltage	V			5.0
Fiber Pigtail	μm	9/125/900
Durability	cycles	no wear out
*Package*
Power Consumption	mW		5.0
Operation Temperature	˚C	0		70
Storage Temperature	˚C	-40		85
Size (L x W x H)	mm	45 x 24 x 9.5

TECHNICAL SPECIFICATIONS SW1x4

	Unit	Min	Typ	Max
*Switch SW 1x4*
Wavelength range	nm	1240		1640
Insertion loss	dB		0.5	1.0
Crosstalk	dB		75	60
Back reflection	dB		55	50
Polarisation Dependent Loss	dB			0.10
Switching Time	ms		0.5	1
Switching Voltage	V			5
Fiber Pigtail	μm	9/125/900
Durability	cycles	no wear out
*Package*
Power Consumption	mW		10	50
Operation Temperature	˚C	0		70
Storage Temperature	˚C	-40		85
Size (L x W x H)	mm	80 x 50 x 9.5

TECHNICAL SPECIFICATIONS SW1x8

	Unit	Min	Typ	Max
*Switch SW 1x8*
Wavelength range	nm	1240		1640
Insertion loss	dB		0.7	1.2
Crosstalk	dB		75	60
Back reflection	dB		55	45
Polarisation Dependent Loss	dB			0.15
Switching Time	ms		0.5	1
Switching Voltage	V			5
Fiber Pigtail	μm	9/125/900
Durability	cycles	no wear out
*Package*
Power Consumption	mW		40
Operation Temperature	˚C	0		70
Storage Temperature	˚C	-40		85
Size (L x W x H)	mm	76 x 93 x 9.5

TECHNICAL SPECIFICATIONS SW1x12 and SW1x13

	Unit	Min	Typ	Max
*Switch SW 1x12 and SW1x13*
Wavelength range	nm	1240		1640
Insertion loss	dB		1.0	1.5
Crosstalk	dB		75	60
Back reflection	dB		55	45
Polarisation Dependent Loss	dB			0.15
Repeatability¹	dB			0.002
Switching Time	ms		0.5	1
Switching Voltage	V			5
Fiber Pigtail	μm	9/125/900
Durability	cycles	no wear out
*Package*
Power Consumption	mW		40
Operation Temperature	˚C	0		70
Storage Temperature	˚C	-40		85
Size (L x W x H)	mm	144 x 105 x 10

TECHNICAL SPECIFICATIONS SW1x16

	Unit	Min	Typ	Max
*Switch SW 1x16*
Wavelength range	nm	1240		1640
Insertion loss	dB		1.0	1.6
Crosstalk	dB		75	60
Back reflection	dB		55	50
Polarisation Dependent Loss	dB			0.12
Repeatability¹	dB			0.002
Switching Time	ms		0.5	1
Switching Voltage	V			5
Fiber Pigtail	μm	9/125/900
Durability	cycles	no wear out
*Package*
Power Consumption	mW		190
Operation Temperature	˚C	0		70
Storage Temperature	˚C	-40		85
Size (L x W x H)	mm	175 x 105 x 10

TECHNICAL SPECIFICATIONS SW1x24

	Unit	Min	Typ	Max
*Switch SW 1x24*
Wavelength range	nm	1250		1650
Insertion loss	dB		1.4	2.0
Crosstalk	dB		60	50
Back reflection	dB		55	45
Polarisation Dependent Loss	dB			0.25
Repeatability¹	dB			0.002
Switching Time	ms		0.5	1
Switching Voltage	V			5
Fiber Pigtail	μm	SMF28 or 50/125/900 62/125/900
Durability	cycles	no wear out
*Package*
Power Consumption	mW		200
Operation Temperature	˚C	0		70
Storage Temperature	˚C	-40		85
Size (L x W x H)	mm	206 x 105 x 10

TECHNICAL SPECIFICATIONS SW1x32

	Unit	Min	Typ	Max
*Switch SW 1x32*
Wavelength range	nm	1250		1650
Insertion loss	dB		1.5	2.5
Crosstalk	dB		60	50
Back reflection	dB		55	45
Polarisation Dependent Loss	dB			0.25
Repeatability¹	dB			0.002
Switching Time	ms		0.5	1
Switching Voltage	V			5
Fiber Pigtail	μm	SMF28 or 50/125/900 62/125/900
Durability	cycles	no wear out
*Package*
Power Consumption	mW		200
Operation Temperature	˚C	0		70
Storage Temperature	˚C	-40		85
Size (L x W x H)	mm	206 x 105 x 10

TECHNICAL SPECIFICATIONS SW2x2

	Unit	Min	Typ	Max
*Switch SW 2x2*
Wavelength range	nm	1240		1640
Insertion loss	dB		0.5	0.9
Crosstalk	dB		75	50
Back reflection	dB		55	50
Polarisation Dependent Loss	dB		0.04	0.10
Switching Time	ms		0.4	1
Fiber Pigtail	μm	9/125/900
Durability	cycles	no wear out
*Package*
Supply Voltage	V	4.0	5	5.25
Power Consumption	mW		5	25
Operation Temperature	˚C	0		70
Storage Temperature	˚C	-40		85
Size (L x W x H)	mm	45 x24 x 9.5

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