Optical Windows allow light beam to pass from one medium to another without changing the wavelength distribution or the transmitted wave front of the beam. Ideally, optical windows do not scatter light out of the beam. Holmarc offers windows in two different materials; N-BK7 & Fused Silica. Holmarc's windows are available in uncoated, single layer MgF2 coated, and broadband AR coated options.
Material | : | BK7 or equivalent & fused silica |
Surface quality | : | 40 - 20 ( scratch-dig ) |
Dimensional Tolerance | : | +0.0, -0.2mm |
Thickness tolerance | : | +0.0, -0.2mm |
Surface flatness | : | λ / 4 @ 632.8 nm |
Bevel | : | 0.2 mm x 45° |
Parallelism | : | ≤ 1 arc min or 3 arc min |
Coating | : | ( Optional ) 1. Uncoated 2. Single layer MgF2 3. Broadband AR ( Ravg < 0.5% @ 400-700 nm ) |
These optical windows are precision manufactured using BK7 or equivalent and Fused silica. We can also work with substrates furnished by the customer.
Model No. | Dimensions A x B ( mm ) |
Thickness T ( mm ) |
Parallelism ( arc min ) |
Material | ||
Uncoated | Single Layer MgF2 | Broadband AR | ||||
HO-WRB-10-1 | HO-WRBC-10-1 | HO-WRBB-10-1 | 10 x 20 | 5 | 1 | BK7 or equivalent |
HO-WRB-10-3 | HO-WRBC-10-3 | HO-WRBB-10-3 | 10 x 20 | 5 | 3 | BK7 or equivalent |
HO-WRB-15-1 | HO-WRBC-15-1 | HO-WRBB-15-1 | 15 x 30 | 5 | 1 | BK7 or equivalent |
HO-WRB-15-3 | HO-WRBC-15-3 | HO-WRBB-15-3 | 15 x 30 | 5 | 3 | BK7 or equivalent |
HO-WRB-20-1 | HO-WRBC-20-1 | HO-WRBB-20-1 | 20 x 35 | 5 | 1 | BK7 or equivalent |
HO-WRB-20-3 | HO-WRBC-20-3 | HO-WRBB-20-3 | 20 x 35 | 5 | 3 | BK7 or equivalent |
HO-WSB-25-1 | HO-WSBC-25-1 | HO-WSBB-25-1 | 25 x 25 | 6 | 1 | BK7 or equivalent |
HO-WSB-25-3 | HO-WSBC-25-3 | HO-WSBB-25-3 | 25 x 25 | 6 | 3 | BK7 or equivalent |
HO-WRB-30-1 | HO-WRBC-30-1 | HO-WRBB-30-1 | 30 x 50 | 8 | 1 | BK7 or equivalent |
HO-WRB-30-3 | HO-WRBC-30-3 | HO-WRBB-30-3 | 30 x 50 | 8 | 3 | BK7 or equivalent |
HO-WSB-50-1 | HO-WSBC-50-1 | HO-WSBB-50-1 | 50 x 50 | 8 | 1 | BK7 or equivalent |
HO-WSB-50-3 | HO-WSBC-50-3 | HO-WSBB-50-3 | 50 x 50 | 8 | 3 | BK7 or equivalent |
Uncoated | Price ($) | Single Layer MgF2 | Price ($) | Broadband AR | Price ($) |
HO-WRB-10-1 | 32.00 | HO-WRBC-10-1 | 40.00 | HO-WRBB-10-1 | 49.00 |
HO-WRB-10-3 | 24.00 | HO-WRBC-10-3 | 32.00 | HO-WRBB-10-3 | 41.00 |
HO-WRB-15-1 | 45.00 | HO-WRBC-15-1 | 53.00 | HO-WRBB-15-1 | 62.00 |
HO-WRB-15-3 | 36.00 | HO-WRBC-15-3 | 43.00 | HO-WRBB-15-3 | 53.00 |
HO-WRB-20-1 | 67.00 | HO-WRBC-20-1 | 75.00 | HO-WRBB-20-1 | 84.00 |
HO-WRB-20-3 | 58.00 | HO-WRBC-20-3 | 65.00 | HO-WRBB-20-3 | 75.00 |
HO-WSB-25-1 | 64.00 | HO-WSBC-25-1 | 71.00 | HO-WSBB-25-1 | 80.00 |
HO-WSB-25-3 | 54.00 | HO-WSBC-25-3 | 62.00 | HO-WSBB-25-3 | 71.00 |
HO-WRB-30-1 | 69.00 | HO-WRBC-30-1 | 76.00 | HO-WRBB-30-1 | 86.00 |
HO-WRB-30-3 | 60.00 | HO-WRBC-30-3 | 67.00 | HO-WRBB-30-3 | 76.00 |
HO-WSB-50-1 | 89.00 | HO-WSBC-50-1 | 97.00 | HO-WSBB-50-1 | 106.00 |
HO-WSB-50-3 | 80.00 | HO-WSBC-50-3 | 87.00 | HO-WSBB-50-3 | 97.00 |
Model No. | Dimensions A x B ( mm ) |
Thickness T ( mm ) |
Parallelism ( arc min ) |
Material | ||
Uncoated | Single Layer MgF2 | Broadband AR | ||||
HO-WRS-10-1 | HO-WRSC-10-1 | HO-WRSB-10-1 | 10 x 20 | 5 | 1 | Fused Silica |
HO-WRS-10-3 | HO-WRSC-10-3 | HO-WRSB-10-3 | 10 x 20 | 5 | 3 | Fused Silica |
HO-WRS-15-1 | HO-WRSC-15-1 | HO-WRSB-15-1 | 15 x 30 | 5 | 1 | Fused Silica |
HO-WRS-15-3 | HO-WRSC-15-3 | HO-WRSB-15-3 | 15 x 30 | 5 | 3 | Fused Silica |
HO-WRS-20-1 | HO-WRSC-20-1 | HO-WRSB-20-1 | 20 x 35 | 5 | 1 | Fused Silica |
HO-WRS-20-3 | HO-WRSC-20-3 | HO-WRSB-20-3 | 20 x 35 | 5 | 3 | Fused Silica |
HO-WSS-25-1 | HO-WSSC-25-1 | HO-WSSB-25-1 | 25 x 25 | 6 | 1 | Fused Silica |
HO-WSS-25-3 | HO-WSSC-25-3 | HO-WSSB-25-3 | 25 x 25 | 6 | 3 | Fused Silica |
HO-WRS-30-1 | HO-WRSC-30-1 | HO-WRSB-30-1 | 30 x 50 | 8 | 1 | Fused Silica |
HO-WRS-30-3 | HO-WRSC-30-3 | HO-WRSB-30-3 | 30 x 50 | 8 | 3 | Fused Silica |
HO-WSS-50-1 | HO-WSSC-50-1 | HO-WSSB-50-1 | 50 x 50 | 8 | 1 | Fused Silica |
HO-WSS-50-3 | HO-WSSC-50-3 | HO-WSSB-50-3 | 50 x 50 | 8 | 3 | Fused Silica |
Uncoated | Price ($) | Single Layer MgF2 | Price ($) | Broadband AR | Price ($) |
HO-WRS-10-1 | 62.00 | HO-WRSC-10-1 | 69.00 | HO-WRSB-10-1 | 78.00 |
HO-WRS-10-3 | 53.00 | HO-WRSC-10-3 | 60.00 | HO-WRSB-10-3 | 69.00 |
HO-WRS-15-1 | 75.00 | HO-WRSC-15-1 | 82.00 | HO-WRSB-15-1 | 91.00 |
HO-WRS-15-3 | 65.00 | HO-WRSC-15-3 | 73.00 | HO-WRSB-15-3 | 82.00 |
HO-WRS-20-1 | 97.00 | HO-WRSC-20-1 | 104.00 | HO-WRSB-20-1 | 113.00 |
HO-WRS-20-3 | 87.00 | HO-WRSC-20-3 | 95.00 | HO-WRSB-20-3 | 104.00 |
HO-WSS-25-1 | 93.00 | HO-WSSC-25-1 | 100.00 | HO-WSSB-25-1 | 110.00 |
HO-WSS-25-3 | 84.00 | HO-WSSC-25-3 | 91.00 | HO-WSSB-25-3 | 100.00 |
HO-WRS-30-1 | 117.00 | HO-WRSC-30-1 | 124.00 | HO-WRSB-30-1 | 133.00 |
HO-WRS-30-3 | 108.00 | HO-WRSC-30-3 | 115.00 | HO-WRSB-30-3 | 124.00 |
HO-WSS-50-1 | 170.00 | HO-WSSC-50-1 | 177.00 | HO-WSSB-50-1 | 187.00 |
HO-WSS-50-3 | 161.00 | HO-WSSC-50-3 | 168.00 | HO-WSSB-50-3 | 177.00 |
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