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xScape100 VNIR Optical Front-End

The xScape100 VNIR OFE is optimized from 450 nm to 900 nm with performance across the image plane. This OFE is ideal for a wide range of multispectral and hyperspectral earth observation applications.

Datasheet

Interface Control Document

Design

Compact. Robust. Light.

The xScape100 VNIR OFE is dimensionally and structurally optimised for 3U and 6U Cubesats while staying inline with the GSFC-STD-7000 environmental testing standards. The image plane is designed to accommodate an APS-C like sensor and maintain performance across a wide spectral and temperature range.

Focal Length

580 mm

Front Aperture Diameter

95 mm

Image Circle

30 mm

Operating Temperature

-30°C to 50°C

Mass

943 g

Dimensions

98 x 98 x 145 mm

Vibration

14.1 grms

Field of Voew

2.96°

Performance

ON-AXIS MTF VS FREQUENCY

Performance across the spectrum.

The xScape100 OFE is designed to maintain MTF across the visible and near-infrared spectrum at relative high spatial frequencies.

MTF @ 93 lp/mm

32%

at 450 nm

20%

at 850 nm

MTF VS FIELD HEIGHT

Consistency across the field.

The xScape100 OFE is designed for consistent performance across the field height in all spatial frequencies.

MTF across the field @ 93 lp/mm

23%

on-axis

19%

on the edge

TRANSMISSION

Optimal transmission across the spectrum.

The transmission, with obscuration, is maintained across the field for the visible and near-infrared spectral range.

> 50%

from 450 nm to 900 nm

DISTORTION VS FIELD HEIGHT

Accurate pixel mapping across the field.

Distortions are limited to a fraction of a pixel in each wavelength across the object field, making the xScape100 OFE ideal for TDI based sensors.

< 0.165%

distortion across the field

xScape100 VNIR Optical Front-End Specifications

F-number

6.1

Focal Length

580 mm ±1 mm

Front Aperture Diameter

95 mm

Obscuration Diameter

47.2 mm

Full Field of View

2.96°

Spectral Range

450 – 900 nm

Transmission of Unobscured System

> 81%

Distortion

< 0.165%

On-Axis MTF (Polychromatic)

40% @ 47 lp/mm

18% @ 93 lp/mm

Image Circle Diameter

30 mm

Operating Temperature

-10°C to 50°C

Mass

943 g ±3%

Flange Focal Distance

5.69 mm ±0.3 mm

Dimensions

98 x 98 x 145 mm