O p t i c s & 0 p t i c a l C o a t i n g s Sharp cut dichroic mirror Interferometers Application Systems Optics & Optical Coatings SDM Divide sharply the color of wavelength by reflecting the short wavelength and transmitting the long wavelength. Fit for Bio-imaging and flow cytometry application. ◦The short wavelength has high reflectance, fit perfectly for use in excitation light and fluorescence imaging. ◦The feature of the structure of this mirror is to maintain the distance of the curbs of the P polarization and the S polarization to be close to each other. It narrows the gap of the reflective range and the transmission range to provide a steep rise. ◦There is limited absorption due to the dielectric coating. Specifications Holders Light Sources Bases Material Synthetic fused silica Incident angle 45° Surface accuracy before coating 5λ (Optical flat) Parallelism 20″ Polarization condition of incident beam Unpolarized beam (or linear polarization of 45° azimuth circular polarization) Surface Quality (Scratch−Dig) 40−20 Manual Stages Guide ▶Use the SDM mirror with interference filter as a pair for Bio-imaging application. ▶For specific mirror holder, please contact our International Sales Division. ▶For transmittance characteristics and details, please refer to our web W3117 site. ▶Different size, wavelength and deviation ratio are not mentioned in this catalog but available as custom products upon on request. ▶For aluminum mirror, dielectric mirror, TIRF Mirror (Total Internal Reflectance Fluorescence), please contact our International Sales Division. Actuators Motorized Stages Index Schematic Notch C2 Incident angle 45° Guide Attention Mirrors Beamsplitters Front surface: Dielectric multi-layer coating Rear surface: Anti-reflection coating or Dielectric multi-layer coating Polarizers Lenses Outline Drawing (in mm) Clear aperture (Within the ellipse) Multi-Element Optics Sample of use with multi-wavelength of visible laser C2 Filters This is a flow cytometry set up with a piling up of different laser beams. −0.1 Substrates / Windows 23 Maintenance Diffusers Etalon Ar Laser Blue-violet LD 488nm 405nm SDM505S or SDM515S SDM455S 632nm SDM595S Specifications Transmisible range wavelength [nm] Reflectance range wavelength [nm] Reflectance range reflection rate [%] Transmittance range wavelength [nm] Transmittance range transmission rate [%] SDM410S 410 340 − 360 360 − 395 >90 >99 419 − 660 430 − 520 >80 >87 SDM455S 455 390 − 443 >99 465 − 560 560 − 700 Ravg >92 Ravg >88 SDM490S 490 450 − 482 >99 499 − 630 630 − 655 Ravg >90 >75 SDM505S 505 455 − 497 >99 514 − 550 550 − 700 >85 >60 SDM515S 515 462 − 504 >99 522 − 660 660 − 700 Ravg >90 >75 SDM570S 570 520 − 558 >99 579 − 620 620 − 700 >85 >60 SDM595S 595 520 − 585 >99 605 − 700 700 − 880 Ravg >92 >75 Part Number Transmission spectral Compatible Optic Mounts CHA-60 C204 1±0.1 −0.1 26 −0.3 Colored Glass Filters Dielectric Filters 543nm or 561nm He-Ne Laser Optical Data ND Filters He-Ne Laser or DPSS 38 −0.3 33 Prisms Selection Guide ▶The transmittance characteristic of the mirror is a combining of the coating value of both sides of the mirror. ▶Use the mirror other way than 45 degrees of AOI, the transmittance and the reflectance characteristics may be different than as mentioned. ▶The right reflecting surface appears when you see the notch on the upper right side of the mirror. WEB http://www.sigma-koki.com/english/ E-mail [email protected] TEL +81-3-5638-8228 FAX +81-3-5638-6550 Catalog Code Typical Transmittance Data SDM410S SDM455S 100 100 90 90 80 80 70 70 60 60 T [%] T [%] 50 40 30 30 20 20 10 10 400 500 600 700 800 λ [nm] 900 1000 1100 0 300 1200 SDM505S 100 100 90 90 80 80 70 60 T [%] T [%] 70 60 50 40 40 30 20 20 10 10 500 600 700 800 λ [nm] Optics & Optical Coatings Holders Light Sources 400 500 600 700 800 900 1000 1100 1200 900 1000 1100 0 300 1200 Bases Manual Stages Actuators Motorized Stages 50 30 400 Interferometers Application Systems λ [nm] SDM490S 0 300 T: Transmission 50 40 0 300 W3117 Index 400 500 600 700 800 λ [nm] 900 1000 1100 1200 Guide Mirrors SDM515S SDM570S 100 100 90 90 80 80 70 70 60 60 50 50 40 40 30 30 20 20 10 10 0 300 400 500 600 700 800 900 1000 1100 0 300 1200 Beamsplitters Polarizers Lenses Multi-Element Optics Filters Prisms 400 500 600 λ [nm] 700 800 900 1000 1100 1200 λ [nm] Substrates / Windows Optical Data Maintenance SDM595S Sharp cutting characteristics value (Reference data) 100 90 T: Transmission 80 The polarization of the SDM mirror was realized with a special coating design to obtain a sharper rise graph than usual. It shows advantage for use in extracting the excitation light for fluorescence imaging application. 70 60 T [%] 50 40 100 30 90 20 80 10 70 400 500 600 700 800 λ [nm] 900 1000 1100 1200 ND Filters Diffusers Colored Glass Filters Dielectric Filters Etalon 60 T [%] 0 300 Selection Guide 50 SDM490S Standard 40 30 20 10 0 450 460 470 480 490 λ [nm] 500 510 520 530 C205