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In 2008, [[Avago Technologies]] introduced laser navigation sensors whose [[laser diode|emitter]] was integrated into the IC using [[Vertical-cavity surface-emitting laser|VCSEL]] technology.[{{Cite web |date=January 28, 2008 |title=Avago Technologies Announces Miniature Laser Navigation Sensors for Mouse Applications |url=http://www.avagotech.com/pages/en/press/avago_technologies_announces_miniature_laser_navigation_sensors_for_mouse_applications |access-date=2013-03-25}}] |
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In 2008, [[Avago Technologies]] introduced laser navigation sensors whose [[laser diode|emitter]] was integrated into the IC using [[Vertical-cavity surface-emitting laser|VCSEL]] technology.[{{Cite web |date=January 28, 2008 |title=Avago Technologies Announces Miniature Laser Navigation Sensors for Mouse Applications |url=http://www.avagotech.com/pages/en/press/avago_technologies_announces_miniature_laser_navigation_sensors_for_mouse_applications |access-date=2013-03-25}}] |
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In August 2009, Logitech introduced mice with two lasers, to track on glass and glossy surfaces better; they dubbed them a "[[Dark field microscopy|Darkfield]]" laser sensor.[{{Cite web |date=2009 |title=Logitech Darkfield Innovation Brief |url=http://www.logitech.com/images/pdf/briefs/Logitech_Darkfield_Innovation_Brief_2009.pdf |website=Logitech}}] |
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In August 2009, Logitech introduced mice with two lasers, to track on glass and glossy surfaces better; they dubbed them a "[[Dark-field microscopy|Darkfield]]" laser sensor.[{{Cite web |date=2009 |title=Logitech Darkfield Innovation Brief |url=http://www.logitech.com/images/pdf/briefs/Logitech_Darkfield_Innovation_Brief_2009.pdf |website=Logitech}}] |
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