lenses
optical assemblies mirrors windows diffusers filters polarizers beamsplitters
prisms and
gratings
cleaning and
handling
l/4 N-BK7 Precision Windows
5
4.5
4
3.5
3
2.5
2
1.5
0.5
Anti-Reflection Coating Curves
Substrate: N-BK7
Parallelism (arcmin): <1
Dimensional Tolerance (mm): +0,0/-0,25
Thickness Tolerance (mm): ±0,20
Surface Flatness: l/4
Surface Quality: 60-40
Coating: Both sides as noted
See page 9 for specifications
TECHSPEC® l/4 N-BK7 Precision Windows *Call for Availability and Pricing
Price – Uncoated
Size
Thickness
Stock
(mm)
(mm)
No.
Stock
No.
Price – MgF2 VIS 0°
Stock
No.
VIS-NIR
Stock
No.
NIR I
Stock
No.
N
Shop www.edmundoptics.eu – latest pricing – availability – new products – over 34.000 items 115
0.0
350 450 550 650 750 850 950 1050 1150
R (%)
λ (nm)
1
• λ/4 Surface Flatness
• Broadband Anti-Reflection Coating
Options Available
• Custom Coatings and Sizes Available for
Volume OEM Quantities
TECHSPEC® λ/4 N-BK7 Precision Windows are ideally
suited for industrial and low power laser applications.
The high tolerance design yields minimal beam
distortion and scatter. Broadband coating options
extend the range of these precision windows through
the visible and near-infrared spectra.
Ultra-Thin N-BK7 Windows
Substrate: N-BK7
Parallelism (arcsec): <30
Diameter Tolerance (mm): +0,00/-0,05
Thickness Tolerance (mm): ±0,025
Trans, Wavefront Distortion: ≤l/2 @ 633 nm
Surface Quality: ≤30 mm: 20-10
>30 mm: 40-20
Coating: As noted, see page 9 for specifications
• Ultra-Thin 0,20 mm Thickness
• Precision N-BK7 Substrate
• Extremely Lightweight
TECHSPEC® Ultra-Thin N-BK7 Windows are our thinnest windows available and are at least 1/10 the thickness
of our traditional N-BK7 windows. Their extremely thin designs make them ideal for both weight and size sensitive
applications. Additionally, their high tolerance design yields minimal beam distortion and scatter. They are
available uncoated or with an Anti-Reflection coating. For custom sizes or coating options, please contact our
Sales Department. Note: The Ultra-Thin N-BK7 Windows are very fragile. Handle these windows with care.
TECHSPEC® Ultra-Thin N-BK7 Windows
Diameter
Thickness
Stock No.
Prices – Uncoated Stock No.
(mm)
(mm)
Uncoated
MgF2 Coated
Price – MgF2 Coated Stock No.
VIS 0° Coated
Price – VIS 0° Coated
1-5 6-25 26+ 1-5 6-25 26+ 1-5 6-25 26+
5,0 0,2 #66-184 €75,00 €60,00
Call For OEM Qty. Pricing
#66-192 €85,00 €68,00
Call For OEM Qty. Pricing
#83-099 €95,00 €76,00
Call For OEM Qty. Pricing
10,0 0,2 #66-185 €75,00 €60,00 #66-193 €85,00 €68,00 #83-100 €95,00 €76,00
12,5 0,2 #66-186 €75,00 €60,00 #66-194 €85,00 €68,00 #83-101 €95,00 €76,00
20,0 0,2 #66-187 €75,00 €60,00 #66-195 €85,00 €68,00 #83-102 €95,00 €76,00
25,0 0,2 #66-188 €90,00 €72,00 #66-196 €100,00 €80,00 #83-103 €110,00 €88,00
30,0 0,2 #66-189 €110,00 €88,00 #66-197 €125,00 €100,00 #83-104 €135,00 €108,00
40,0 0,2 #66-190 €115,00 €92,00 #66-198 €130,00 €104,00 #83-105 €140,00 €112,00
50,0 0,2 #66-191 €145,00 €116,00 #66-199 €160,00 €128,00 #83-106 €170,00 €136,00
Price VIS-EXT
Stock No.
YAG-BBAR
Stock No.
Price
1-5 6-25 26+ 1-5 6-25 26+ 1-5 6-25 26+ 1-5 6-25 26+
5,0 Dia. 2,0 #45-573 €45,00 €36,00
Call For OEM Quantity Pricing
#45-574 €52,50 €42,00
Call For OEM Quantity Pricing
#47-515 #48-448 #83-464 €65,00 €52,00
Call For OEM Quantity Pricing
#13-286 #13-308 €67,50 €54,00
Call For OEM Quantity Pricing
9,0 Dia. 2,0 #49-121 €45,00 €36,00 #49-122 €52,50 €42,00 #49-123 #49-124 #83-465 €65,00 €52,00 #13-287 #13-309 €67,50 €54,00
10,0 Dia. 2,0 #45-074 €45,00 €36,00 #45-256 €52,50 €42,00 #47-516 #45-657 #83-466 €65,00 €52,00 #13-288 #13-310 €67,50 €54,00
10,0 Sq. 2,0 #49-620 €45,00 €36,00 #49-623 €52,50 €42,00 #49-627 #49-631 #83-467 €65,00 €52,00 #13-289 #13-311 €67,50 €54,00
12,5 Dia. 3,0 #45-075 €45,00 €36,00 #45-257 €52,50 €42,00 #47-517 #45-658 #83-468 €65,00 €52,00 #13-290 #13-312 €67,50 €54,00
12,5 Sq. 3,0 #49-621 €45,00 €36,00 #49-624 €52,50 €42,00 #49-628 #49-632 #83-469 €65,00 €52,00 #13-291 #13-313 €67,50 €54,00
12,7 Dia. 3,0 #15-423 €45,00 €36,00 #15-427 €52,50 €42,00 #15-431 #15-435 #15-439 €65,00 €52,00 #15-787 #15-791 €67,50 €54,00
15,0 Dia. 3,0 #45-575 €47,50 €38,00 #45-576 €55,00 €44,00 #47-518 #45-659 #83-470 €67,50 €54,00 #13-292 #13-314 €70,00 €56,00
20,0 Dia. 3,0 #45-577 €50,00 €40,00 #45-578 €57,50 €46,00 #47-519 #45-660 #83-471 €70,00 €56,00 #13-293 #13-315 €72,50 €58,00
25,0 Dia. 1,0 #36-991 €52,50 €42,00 #36-994 €60,00 €48,00 #36-996 #36-997 #36-995 €72,50 €58,00 #13-294 #13-316 €75,00 €60,00
25,0 Dia. 2,0 #36-992 €52,50 €42,00 #36-998 €60,00 €48,00 #37-001 #37-002 #36-999 €72,50 €58,00 #13-295 #13-317 €75,00 €60,00
25,0 Dia. 3,0 #36-993 €52,50 €42,00 #37-003 €60,00 €48,00 #37-005 #37-006 #37-004 €72,50 €58,00 #13-296 #13-318 €75,00 €60,00
25,0 Dia. 4,0 #45-076 €52,50 €42,00 #45-258 €60,00 €48,00 #47-520 #45-661 #83-472 €72,50 €58,00 #13-297 #13-319 €75,00 €60,00
25,0 Sq. 4,0 #49-622 €52,50 €42,00 #49-625 €60,00 €48,00 #49-629 #49-633 #83-473 €72,50 €58,00 #13-298 #13-320 €75,00 €60,00
25,4 Dia. 2,0 #15-424 €52,50 €42,00 #15-428 €60,00 €48,00 #15-432 #15-436 #15-440 €72,50 €58,00 #15-788 #15-792 €75,00 €60,00
25,4 Dia. 4,0 #15-425 €52,50 €42,00
Call For OEM Quantity Pricing
#15-429 €60,00 €48,00
Call For OEM Quantity Pricing
#15-433 #15-437 #15-441 €72,50 €58,00
Call For OEM Quantity Pricing
#15-789 #15-793 €75,00 €60,00
Call For OEM Quantity Pricing
30,0 Dia. 4,0 #45-579 €55,00 €44,00 #45-580 €67,50 €54,00 #47-521 #48-445 #83-474 €85,00 €68,00 #13-299 #13-321 €90,00 €72,00
35,0 Sq. 3,0 #49-470 €62,50 €50,00 #49-626 €75,00 €60,00 #49-630 #49-634 #83-475 €92,50 €74,00 #13-300 #13-322 €97,50 €78,00
40,0 Dia. 4,0 #45-581 €67,50 €54,00 #45-582 €80,00 €64,00 #47-522 #48-446 #83-476 €97,50 €78,00 #13-301 #13-323 €102,50 €82,00
50,0 Dia. 1,0 #34-427 €72,50 €58,00 #37-007 €85,00 €68,00 #37-009 #37-010 #37-008 €102,50 €82,00 #13-302 #13-324 €107,50 €86,00
50,0 Dia. 2,0 #34-428 €72,50 €58,00 #37-011 €85,00 €68,00 #37-013 #37-014 #37-012 €102,50 €82,00 #13-303 #13-325 €107,50 €86,00
50,0 Dia. 3,0 #34-429 €72,50 €58,00 #37-015 €85,00 €68,00 #37-017 #37-018 #37-016 €102,50 €82,00 #13-304 #13-326 €107,50 €86,00
50,0 Dia. 4,0 #45-583 €72,50 €58,00 #45-584 €85,00 €68,00 #47-523 #48-447 #83-477 €102,50 €82,00 #13-305 #13-327 €107,50 €86,00
50,0 Dia. 6,0 #34-430 €72,50 €58,00 #37-019 €85,00 €68,00 #37-021 #37-022 #37-020 €102,50 €82,00 #13-306 #13-328 €107,50 €86,00
50,0 Sq. 4,0 #47-944 €72,50 €58,00 #47-945 €85,00 €68,00 #47-946 #47-947 #83-478 €102,50 €82,00 #13-307 #13-329 €107,50 €86,00
50,8 Dia. 4,0 #15-426 €72,50 €58,00 #15-430 €85,00 €68,00 #15-434 #15-438 #15-442 €102,50 €82,00 #15-790 #15-794 €107,50 €86,00
75,0 Dia. 4,0 #62-606 €112,50 €90,00 #62-608 €132,50 €106,00 #37-070 #84-359 #37-073 €160,00 €128,00 #15-795 #15-797 €172,50 €138,00
75,0 Sq. 4,0 #62-607 €112,50 €90,00 #62-609 €132,50 €106,00 #37-071 #37-072 #37-074 €160,00 €128,00 #15-796 #15-798 €172,50 €138,00
100 Dia. 6,0 #11-856 €165,00 €132,00 * – – * * * – – * * – –
125 Dia. 8,0 #11-857 €245,00 €196,00 * – – * * * – – * * – –
150 Dia. 10,0 #11-858 €350,00 €280,00 * – – * * * – – * * – –
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