Dichroic Shortpass Filters
‡ See page 150 for definition of Slope Factor
Low GDD Dichroic Shortpass Ultrafast Filters
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Substrate: Fused Silica
Dimensional Tolerances (mm): +0.0/-0.1
12.5 X 17.6mm: +0.0/-0.2
Thickness (mm): 1.05 ±0.1
Transmission: Tavg >85%, Random Polarization
Tabs >80%, P-Polarization
Tabs >80%, S-Polarization
Reflection: Ravg >97%, Random Polarization
Rabs >95%, P-Polarization
Rabs >95%, S-Polarization
Angle of Incidence (˚): 45
Surface Quality: 60-40
Wavefront Distortion: l/4
Slope Factor (%):‡ 3
Cut-Off Tolerance (%): ±2
• Sharp Cut-Off Wavelength
• Broad Transmission and Reflection Ranges
• Available in 4 Common Sizes
Our TECHSPEC® Dichroic Shortpass Filters are designed
for a 45° angle of incidence. The rejected light is reflected
at 90°, making these filters ideal for use in fluorescence applications
or as spectral beamsplitters. The filters feature
low polarization dependence, broad spectral ranges, and a
precision fused silica substrate.
Visit our website for reflection and transmission curves
TECHSPEC® Dichroic Shortpass Filters
Cut-Off
Wavelength
(nm)
Transmission
Band
(nm)
Reflection
Band
(nm)
12.5mm Diameter 12.5 x 17.6mm 25.0mm Diameter 25.2 x 35.6mm
Stock No. 1-5 6-25 26+ Stock No. 1-5 6-25 26+ Stock No. 1-5 6-25 26+ Stock No. 1-5 6-25 26+
400 325 - 385 420 - 485 #69-176 £89.25 £71.40
Call For OEM Quantity Pricing
#69-188 £89.25 £71.40
Call For OEM Quantity Pricing
#69-200 £121.13 £96.90
Call For OEM Quantity Pricing
#69-212 £121.13 £96.90
Call For OEM Quantity Pricing
450 325 - 430 470 - 545 #69-177 £89.25 £71.40 #69-189 £89.25 £71.40 #69-201 £121.13 £96.90 #69-213 £121.13 £96.90
500 325 - 480 520 - 610 #69-178 £89.25 £71.40 #69-190 £89.25 £71.40 #69-202 £121.13 £96.90 #69-214 £121.13 £96.90
550 400 - 530 575 - 725 #69-179 £89.25 £71.40 #69-191 £89.25 £71.40 #69-203 £121.13 £96.90 #69-215 £121.13 £96.90
600 400 - 580 625 - 795 #69-180 £89.25 £71.40 #69-192 £89.25 £71.40 #69-204 £121.13 £96.90 #69-216 £121.13 £96.90
650 400 - 630 675 - 850 #69-181 £89.25 £71.40 #69-193 £89.25 £71.40 #69-205 £121.13 £96.90 #69-217 £121.13 £96.90
700 400 - 680 725 - 900 #69-182 £89.25 £71.40 #69-194 £89.25 £71.40 #69-206 £121.13 £96.90 #69-218 £121.13 £96.90
750 400 - 725 800 - 990 #69-183 £91.38 £73.10 #69-195 £91.38 £73.10 #69-207 £123.25 £98.60 #69-219 £123.25 £98.60
800 400 - 775 850 - 1050 #69-184 £91.38 £73.10 #69-196 £91.38 £73.10 #69-208 £123.25 £98.60 #69-220 £123.25 £98.60
850 400 - 820 910 - 1110 #69-185 £91.38 £73.10 #69-197 £91.38 £73.10 #69-209 £123.25 £98.60 #69-221 £123.25 £98.60
900 465 - 865 960 - 1170 #69-186 £91.38 £73.10 #69-198 £91.38 £73.10 #69-210 £123.25 £98.60 #69-222 £123.25 £98.60
950 495 - 912 997 - 1235 #86-676 £91.38 £73.10 #86-682 £91.38 £73.10 #86-688 £123.25 £98.60 #86-694 £123.25 £98.60
1000 520 - 960 1050 - 1300 #86-677 £93.50 £74.80 #86-683 £93.50 £74.80 #86-689 £127.50 £102.00 #86-695 £127.50 £102.00
1050 546 - 1008 1102 - 1365 #86-678 £93.50 £74.80 #86-684 £93.50 £74.80 #86-690 £127.50 £102.00 #86-696 £127.50 £102.00
1100 572 - 1056 1155 - 1430 #86-679 £93.50 £74.80 #86-685 £93.50 £74.80 #86-691 £127.50 £102.00 #86-697 £127.50 £102.00
1150 598 - 1104 1207 - 1495 #86-680 £93.50 £74.80 #86-686 £93.50 £74.80 #86-692 £127.50 £102.00 #86-698 £127.50 £102.00
1200 624 - 1152 1260 - 1560 #86-681 £93.50 £74.80 #86-687 £93.50 £74.80 #86-693 £127.50 £102.00 #86-699 £127.50 £102.00
Dichroic Shortpass Filter Kits
Description
25.0mm Diameter 25.2 x 35.6mm
Stock No. Price Stock No. Price
VIS Filter Kit (400 -700nm) #15-106 £930.75 #15-109 £930.75
NIR Filter Kit (750 - 1200nm) #15-107 £1,015.75 #15-111 £1,015.75
Substrate: Fused Silica
Dimensional Tolerances (mm): +0.0/-0.1
Thickness (mm): 1.05 ±0.1
Transmission: Tavg >85%, Random Polarization
Tabs >80%, P-Polarization
Tabs >80%, S-Polarization
Reflection: Ravg >97%, Random Polarization
Rabs >95%, P-Polarization
Rabs >95%, S-Polarization
Angle of Incidence (˚): 45
Surface Quality: 60-40
Wavefront Distortion: l/4
Slope Factor (%): 3
Cut-Off Tolerance (%): ±2
• Reduced Thickness for Limited GDD
• Broad Transmission and Reflection Ranges
• Ideal for Ultrafast Laser Applications
TECHSPEC® Low GDD Dichroic Shortpass Ultrafast Filters
feature thin substrates and a low group delay dispersion
(GDD) coating, making them ideal for use with ultrafast
laser sources. Designed for a 45° angle of incidence and
covering a range of wavelengths, these spectral filters can
be used with Ti:sapphire, Nd:doped, and Yb:doped fiber or
glass lasers, as well as with optical parametric oscillators
and amplifiers. TECHSPEC® Low GDD Dichroic Shortpass
Ultrafast Filters are ideal for ultrafast laser applications including
multi-photon microscopy, nonlinear fluorescence,
and femtosecond stimulated Raman spectroscopy. Please
contact us if your application requires an ultrafast optical
filter with a custom size or wavelength range.
TECHSPEC® Low GDD Dichroic Shortpass Ultrafast Filters
Cut-Off Wavelength
(nm)
Transmission Band
(nm)
Reflection Band
(nm) GDD Specification (Transmission)
25.0mm Diameter 25.2 x 35.6mm
Stock No. 1-5 6-25 26+ Stock No. 1-5 6-25 26+
450 325 - 430 470 - 545 80 ±30fs² @ 360 - 425nm; 120 ±80fs² @ 325 - 430nm #13-996 £177.65 £148.75
Call For OEM Quantity Pricing
#14-008 £203.15 £174.25
Call For OEM Quantity Pricing
500 325 - 480 520 - 610 80 ±30fs² @ 345 - 480nm; 120 ±80fs² @ 325 - 480nm #13-997 £177.65 £148.75 #14-009 £203.15 £174.25
600 400 - 580 625 - 795 80 ±30fs² @ 410 - 580nm; 120 ±80fs² @ 400 - 580nm #13-999 £177.65 £148.75 #14-011 £203.15 £174.25
650 400 - 630 675 - 850 80 ±30fs² @ 420 - 630nm; 120 ±80fs² @ 400 - 630nm #14-001 £177.65 £148.75 #14-012 £203.15 £174.25
700 400 - 680 725 - 900 80 ±20fs² @ 450 - 680nm; 120 ±80fs² @ 400 - 680nm #14-002 £177.65 £148.75 #14-013 £203.15 £174.25
750 400 - 725 800 - 990 80 ±30fs² @ 500 - 725nm; 120 ±80fs² @ 400 - 725nm #14-003 £177.65 £148.75 #14-014 £203.15 £174.25
800 400 - 775 850 - 1050 80 ±30fs² @ 510 - 775nm; 120 ±80fs² @ 400 - 775nm #14-004 £177.65 £148.75 #14-015 £203.15 £174.25
850 400 - 820 910 - 1110 80 ±30fs² @ 440 - 820nm; 120 ±80fs² @ 410 - 820nm #14-005 £177.65 £148.75 #14-016 £203.15 £174.25
900 465 - 865 960 - 1170 80 ±30fs² @ 610 - 865nm; 120 ±80fs² @ 465 - 865nm #14-006 £177.65 £148.75 #14-017 £203.15 £174.25
950 495 - 912 997 - 1235 80 ±30fs² @ 625 - 912nm; 120 ±80fs² @ 495 - 912nm #14-030 £177.65 £148.75 #14-036 £203.15 £174.25
1050 546 - 1008 1102 - 1365 80 ±30fs² @ 546 - 625nm; 120 ±80fs² @ 746 - 1008nm #14-032 £177.65 £148.75 #14-038 £203.15 £174.25
1100 572 - 1056 1155 - 1430 80 ±30fs² @ 750 - 1056nm; 120 ±80fs² @ 600 - 1056nm #14-033 £177.65 £148.75 #14-039 £203.15 £174.25
1200 624 - 1152 1260 - 1560 0 ±100fs² @ 840 - 1152nm; 0 ±500fs² @ 624 - 1152nm #14-035 £177.65 £148.75 #14-041 £203.15 £174.25
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