PRODUCT UPDATE


LENSES AND OPTICS OEM MEMS mirror drivers


At Photonics West, Mirrorcle introduced OEM MEMS mirror drivers that are more compact and offer lower power consumption. Mirrorcle Technologies has dual-axis MEMS


Ceramic phosphor converters


Schott has developed two inorganic ceramic phosphor materials that are temperature- stable, heat-conductive and energy-efficient, which the company presented at Photonics West.


The phosphor materials are green and


yellow fluorescent ceramics that convert blue laser light into yellow light. The yellow light is then segmented by colour filters to generate the primary colours (red, green, and blue) for digital projectors. By 2020, a third of all projectors will use laser diodes or LEDs instead of quickly aging conventional lamps. This so-called solid-state lighting (SSL) enables higher brightness, a superior image quality and very good reliability in digital projectors. By offering both green and yellow ceramic


converters, Schott is addressing the needs of most digital projectors using digital light processing (DLP), liquid-crystal display (LCD), or liquid crystal on silicon (LCOS) technologies. The new ceramic phosphor converters


provide high performance with an excellent reliability that enables long-lasting laser light sources. This means that there is no need to change lamp bulbs, which significantly lowers the total cost of ownership and energy costs. www.schott.com


mirrors for optical beam-steering that are electrostatically actuated and need specialised bias-differential high-voltage driving, supported by the firm’s drive electronics. The latest generation 5.x models, commercially available starting in Q1 2018, have a smaller PCB footprint of 35 x 40mm (reduced from 60 x 40mm), and updated input and output connectors to the more compact 10-pin, 0.05 inch (1.27mm) pitch connectors that allow for direct connection via ribbon cable of the driver output to connectorised MEMS packages (‘TinyPCB’). The new boards are optimised to safely


Multifocal module


Diffractive multifocal (MF) lenses are widely used for glass cutting applications. Holo/Or has developed a focusing module for glass cutting applications, integrating MF with a


Techspec low scatter off-axis parabolic mirrors


Edmund Optics has introduced Techspec low scatter off-axis parabolic mirrors. Providing a surface figure of λ/8 RMS and a surface roughness of less than 50Å RMS, these precision mirrors are designed for low scatter in the visible spectrum. They are excellent when used for focusing, collimation and beam expansion. The EO OAP family has expanded from five models to more than 40, providing additional options and flexibility – such as two new coatings, protected gold and UV-enhanced aluminium. The new mirrors direct and focus incident


collimated light at a specific angle, resulting in minimal scatter loss. Designed using a


MICROSCOPY


GX53 inverted metallurgical microscope


Designed for the observation and inspection of metal components, the Olympus GX53 inverted metallurgical microscope features an LED light source for long life and low power consumption. The GX53 microscope also incorporates the latest version of Olympus Stream image analysis software (v. 2.3) for


38 Electro Optics March 2018


improved observation and reporting. Inverted metallurgical


microscopes observe samples from underneath, enabling the user to inspect thick or heavy samples without adjusting the orientation of the sample surface – useful for viewing the microstructure of metals in automotive, for example. With the incorporation of MIX


MIX technology produces unique observation images by combining darkfield with another observation method, such as brightfield, fluorescence or polarisation. The circular LED illuminator


observation technology – a first for the GX series – the microscope can obtain surface structure images with exceptional clarity.


used for darkfield observation has a directional function where one or more quadrants are illuminated at a given time, reducing a sample’s halation. www.olympus-ims.com


@electrooptics | www.electrooptics.com


drive the firm’s MEMS mirrors and include programmable fifth order low-pass filters for smoothing output voltages. They output two bias-differential voltage pairs on four channels from 0V to 200V, allowing for Vbias voltages as high as 100V to drive mirrors to maximum angles. Mirrorcle’s OEM MEMS drivers consume less


than ~80mW of power and require only +5VDC. www.mirrorcletech.com


focusing objective. Unlike refractive solutions, Holo/ Or’s diffractive MF focus module works for single, as well as multi-mode lasers, and maintains diffraction limited spots size at all foci. www.holoor.com


proprietary process that decreases scatter in the UV and visible region, each mirror undergoes a visual inspection with a HeNe laser to ensure low scatter. The mirrors are characterised with improved surface roughness (<50Å RMS) and surface figure (λ/8) when compared to standard off-axis parabolic mirrors. www.edmundoptics.eu


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