FLI sCMOS Kepler Kamera KL4040, Front Illuminated, CMT

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FLI sCMOS Kepler Kamera KL4040, Front Illuminated, CMT

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€ 20,400.00 Price excl. German VAT tax (19%): € 17,142.86

  • KL4040 scientific sCMOS camera, Front Illuminated, CMT, with 65mm shutter available
  • Is a high QE front illumated camera with 52mm imaging diagonal
  • with Air Cooling or Optional Liquid Cooling
  • With USB3.0 (3 Gbps) and Optional QSFP (8 Gbps) interface
  • Broadband AR Coated Window
  • Deep Cooling (up to 45°C below ambient)
  • LDR and HDR modes, Reaches operating temperatures in 10 minutes
  • Support for up to 35 channels
  • Include Pilot Control Software
  • Sensor Grade 1 or 2 available

All FLI cameras can be strongly individualized. For example, the following options are possible:

  • Choose between large or small shutter,
  • adaptation either to the normal CFW or CL filter wheels from FLI,
  • delivery with or without cover slit,
  • delivery with water cooling or without,
  • and much more.


All these customizations offer such a wide range of possible options that we cannot display them all on the website. Therefore, we would be pleased to advise you individually and, if required, prepare a detailed offer for you. Please contact us if you're interested.

Important note: FLI products are not in stock and can be ordered from the manufacturer on request. Please contact us in advance by email if you would like to place an order.

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€ 20,400.00 Price excl. German VAT tax (19%): € 17,142.86

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Keplers Cooled sCMOS Kamera – KL 4040

The Kepler Series from FLI is a giant step forward in throughput, providing faster digitization, higher speed interfaces, and up to 35 channel readout. Sensors currently supported include front and back illuminated sCMOS.

Scientific CMOS Cameras

Kepler releases include the KL400 (also available as TVISB or UV) KL4040, KL2020 cameras, which we offer in our program. They will be followed by the very large area KL6060 camera. Each camera features a high QE, low-noise, high frame-rate cooled sCMOS sensor. The KL400 is one of the most sensitive cameras in existence (1.5 e- read noise, 95% QE). The Kepler KL2020 is available with either a front or back illuminated sensor. The KL2020 BI has exceptionally high quantum efficiency. The KL2020e supports higher frame rates.

The KL4040 is a high QE front illuminated camera with a generous 52mm imaging diagonal. The KL4040 scientific CMOS camera has the same pixel size and imaging area as the popular KAF-16803 CCD, but with 1/3 the noise and 40% higher quantum efficiency.

QE KL4040The KL4040’s front-illuminated sensor has a peak quantum efficiency of 74% (CMT). The camera can reach video rates at full resolution with as little as 3.7 electrons RMS of noise.

 

Higher Speeds

The extremely high bandwidth of Kepler’s USB 3.0 and optional QSFP (fiber) interfaces make it possible to push up speeds on sensors already supported by FLI, such asincreasing the frame rate of the KAI-29052 interline transfer CCD by a factor of 10.

More Channels

Kepler currently supports up to 35 channel readout, greatly increasing potential throughput, as well as providing support for sensors like the ON Semi KAI-47051 interline transfer CCD.

KeplerOperational Modes

The Low Dynamic Range (LDR) mode of the Kepler cameras reads  the image once and digitizes it to 12-bits. The user has eight gains to select from in LDR mode. Adjusting the gain affects full well size, dark current growth, and linearity.

The High Dynamic Range (HDR) mode reads the pixels twice, digitizing with different gains. (Unlike CCDs that only read the charge from each pixel once, CMOS sensors can measure the charge multiple times.) The two images are merged to create a 16 bit image with the linearity of a single image, thus allowing an HDR image to show detail in both low-count and high-count areas of an image. Because of the additional read time, the maximum HDR frame rate is half that of the LDR mode.

The Kepler camera also features a Low Dark Current (LDC) options for both LDR and HDR. When used, the LDC option minimizes dark current at the expense of reduced full well capacity. For short exposures where dark current growth is not a problem, LDC is not generally used. Standard modes (not LDC) provide the highest full well capacity and widest dynamic range. On the other hand LDC mode is very useful for imaging dim objects that require very long exposures where dark current growth can be significant.

The following may be useful in making the decision on which mode is most appropriate:

Choose LDR mode for required frame rate greater than 24 FPS (exposures <42 ms).

Choose HDR mode for a dynamic range greater than 0 – 4095 counts

Choose LDC when your exposures are sufficiently long that dark current growth uses a significant percentage of full well capacity. (Also cool sensor to lowest possible operating temp.)

Do not choose LDC for short exposures.

Futher information about the Kepler series and comparsions with other cameras can be found on the original webpage of FLI:

If you have any further questions, please send us an email to kontakt (at) baader-planetarium.de.

Please note the additional details on the Tab "Downloads"

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