Fig. 1. Telescope pointing compensation solutions^[19]

Fig. 2. Layout for the off-axis reference design^[11]

Fig. 3. Physical prototype of the telescope developed by NASA and University of Florida^[24]

Fig. 4. Cassegrain design form optical system layout^[25]

Fig. 5. Korsch design form optical system layout^[25]

Fig. 6. Mixed reflective and refractive optical systems^[28]

Fig. 7. Optical systems for the in-field pointing telescope^[19]

Fig. 8. Optical design of the specialized wide-field, off-axis telescope for in-field pointing^[32]

Fig. 9. Telescope assembly structure at Airbus^[38]

Fig. 10. CFRP structure prototype^[39]

Fig. 11. SiC telescope spacer^[40]

Fig. 12. Configuration of the coaxial telescope^[37]

Fig. 13. Configuration of the off-axis telescope^[28]

Fig. 14. Configuration of telescopes with in-field pointing^[43]

Fig. 15. Configuration of telescopes with in-field pointing(crossing the two lines of sight of the two telescopes)^[43]

Fig. 16. Thermal design concept of the LISA science module^[45]

Fig. 17. Schematic of the optical setup^[53]

Fig. 18. Telescope test structure^[53]

Fig. 19. Layout of truss cavities on the telescope^[54]

Fig. 20. Concept of the active optical truss^[28]