1. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com CCDs for Adaptive Optics CfAO Workshop: 22-23 Nov 1999 By P R Jorden Marconi Applied Technologies, Waterhouse Lane, Chelmsford, Essex

2. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Overview of presentation: Company Information [see http://www.marconitech.com/products/ccd/ccdprod.html] CCD design capabilities Science CCDs Low light imaging LL CCDs for AO

3. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com CCD44-82 : 4k x 2k buttable sensor & ZIF socket

4. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Mosaic assembly of 3-side buttable large-format 2k x 4k CCDs

5. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Slow Scan Camera -Direct CCD Multi-port CCD Camera -Direct CCD Intensified CCD Camera -ICCDs Electron-Bombarded CCD Camera -EBCCDs Solid State Low Light CCD Camera -LLCCDs Marconi Options for Low Light Level Imaging

6. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com

7. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Quantum Efficiency - Scientific CCDs

8. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com

9. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com

10. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Very Low Noise, Very High-Speed CCDs

11. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Very Low Noise, Very High-Speed CCDs The CCD60- designed for adaptive optics: 128*128 format image area; frame-transfer architecture 24*24 um pixels 1 output ~16 MHz pixel rate < 1 e- noise Wide dynamic range (daylight to starlight) 400-1000 nm spectral response Minimal cooling (Peltier?) CCD60 to be provided with camera electronics Digital parallel interface, with control features

12. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Advantages: l Directly-illuminated CCD; 100% fill factor l Undamaged by over-illumination; good MTBF l High sensitivity, low noise, high dynamic range l Low noise, at high frame rates l Full resolution l Improved cosmetic quality - (no fibre-optics) To be determined: l Characterise Gain stability l Backside thinning l Maximum readout speed l Detailed noise characteristics LL CCD

13. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Status - l Technology demonstrated l Prototype cameras made l Characterisation continuing l 2 device types made so far- CCD60, CCD65 LL CCD Development Sequence

14. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com CCD50 Thinned & Frontside versions

15. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com CCD50 (16 output) [Standard CCD] & CCD60 (1 output) [LL CCD] Both: 128 x 128 format 24 x 24 um pixels

16. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Peltier package CCD39

17. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Cooled LLCCD: 1 field ICCD: 1 field Cooled LLCCD: 4 field averageICCD: 4 field average Moonlight

18. Copyright : Marconi Applied Technologies Limited. All Rights Reserved. www.marconitech.com Cooled LLCCD: 1 field ICCD 1 field Cooled LLCCD: 4 field average ICCD 4 field average Starlight