Optical Flats & Windows - BMI Surplus https://bmisurplus.com/product-category/optical-equipment/optical-components/optical-flats/ Scientific, Lab, & Mil-Spec Equipment Thu, 16 Nov 2023 15:14:26 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.2 https://d2pxk6qc9d6msd.cloudfront.net/cropped-Untitled-design-26-32x32.png Optical Flats & Windows - BMI Surplus https://bmisurplus.com/product-category/optical-equipment/optical-components/optical-flats/ 32 32 Edmund Optics 43-636 Uncoated, Sapphire Window – LOT OF 2 https://bmisurplus.com/product/edmund-optics-43-636-uncoated-sapphire-window-lot-of-2/?utm_source=rss&utm_medium=rss&utm_campaign=edmund-optics-43-636-uncoated-sapphire-window-lot-of-2 Thu, 16 Nov 2023 15:14:25 +0000 https://bmisurplus.com/?post_type=product&p=142736 Edmund Optics 43-636 Uncoated, Sapphire Window- LOT OF 2

25.4mm Dia., 2.25mm Thick

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]]> The post Edmund Optics 43-636 Uncoated, Sapphire Window – LOT OF 2 appeared first on BMI Surplus.

]]> THOR LABS WG 41050 0.25.4MM UVFS WINDOW https://bmisurplus.com/product/thor-labs-wg-41050-0-25-4mm-uvfs-window/?utm_source=rss&utm_medium=rss&utm_campaign=thor-labs-wg-41050-0-25-4mm-uvfs-window Wed, 15 Nov 2023 18:34:57 +0000 https://bmisurplus.com/?post_type=product&p=142676 THOR LABS WG 41050 0.25.4MM UVFS WINDOW

BROADBAND PRECISION WINDOW

UNCOATED

5MM THICK

TP00639654

 

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]]> The post THOR LABS WG 41050 0.25.4MM UVFS WINDOW appeared first on BMI Surplus.

]]> CVI PW1-1037-C Laser Grade Plane Parallel Window https://bmisurplus.com/product/cvi-pw1-1037-c-laser-grade-plane-parallel-window/?utm_source=rss&utm_medium=rss&utm_campaign=cvi-pw1-1037-c-laser-grade-plane-parallel-window Mon, 23 Oct 2023 15:55:10 +0000 https://bmisurplus.com/?post_type=product&p=141623 CVI PW1-1037-C Laser Grade Plane Parallel Window

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]]> The post CVI PW1-1037-C Laser Grade Plane Parallel Window appeared first on BMI Surplus.

]]> ISP GE-W-25-2 Ge IR Window https://bmisurplus.com/product/isp-ge-w-25-2-ge-ir-window/?utm_source=rss&utm_medium=rss&utm_campaign=isp-ge-w-25-2-ge-ir-window Mon, 12 Oct 2020 17:08:01 +0000 https://www.bmisurplus.com/product/isp-ge-w-25-2-ge-ir-window/ ISP Optics GE-W-25-2 Germanium Infrared Window
Diameter: 25mm
Thisckness: 2mm
Specifications:
- Dia tolerance: +0, -0.005"(+0, -0.13mm)
- Th tolerance: �0.005� (�0.13mm)
- Clear Aperture: 85%
- Parallelism: 3 arc min
- Flatness: 1/10 wave at 10.6 um
- Surface Finish: 40/20

***MPN GE-W-25-2
***OEM ISP Optics
***SKU*** 28028

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]]> ISP Optics GE-W-25-2 Germanium Infrared Window
Diameter: 25mm
Thisckness: 2mm
Specifications:
– Dia tolerance: +0, -0.005″(+0, -0.13mm)
– Th tolerance: �0.005� (�0.13mm)
– Clear Aperture: 85%
– Parallelism: 3 arc min
– Flatness: 1/10 wave at 10.6 um
– Surface Finish: 40/20

***MPN GE-W-25-2
***OEM ISP Optics
***SKU*** 28028

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]]> NaCl Window, 1.25 inches by 0.25, sealed in bag https://bmisurplus.com/product/nacl-window-1-25-inches-by-0-25-sealed-in-bag/?utm_source=rss&utm_medium=rss&utm_campaign=nacl-window-1-25-inches-by-0-25-sealed-in-bag Mon, 12 Oct 2020 17:02:47 +0000 https://www.bmisurplus.com/product/nacl-window-1-25-inches-by-0-25-sealed-in-bag/ This is a sodium chloride window. Unable to check condition of the surface because it is wrapped within tissue. It should be assumed that the surface will probably need light repolishing.

Material � NaCl
Diameter � 1.25 inches
Thickness � 0.25 inches
Focal Length � flat window
Surface finish � unable to check
Container � wrapped in tissue within sealed plastic bag with desiccant tube

***MPN
***OEM
***SKU*** DP393

The post NaCl Window, 1.25 inches by 0.25, sealed in bag appeared first on BMI Surplus.

]]> This is a sodium chloride window. Unable to check condition of the surface because it is wrapped within tissue. It should be assumed that the surface will probably need light repolishing.

Material � NaCl
Diameter � 1.25 inches
Thickness � 0.25 inches
Focal Length � flat window
Surface finish � unable to check
Container � wrapped in tissue within sealed plastic bag with desiccant tube

***MPN
***OEM
***SKU*** DP393

The post NaCl Window, 1.25 inches by 0.25, sealed in bag appeared first on BMI Surplus.

]]> NaCl Window Blank, 0.5 inches x 2mm, etched (x4) https://bmisurplus.com/product/nacl-window-blank-0-5-inches-x-2mm-etched-x4/?utm_source=rss&utm_medium=rss&utm_campaign=nacl-window-blank-0-5-inches-x-2mm-etched-x4 Mon, 12 Oct 2020 17:02:46 +0000 https://www.bmisurplus.com/product/nacl-window-blank-0-5-inches-x-2mm-etched-x4/ Sealed bag contains four sodium chloride optical window blanks. Windows are the better selected pieces from large lot stored in petri dish without desiccant. They will need to be polished both sides.

Material � NaCl
Diameter � 0.5 inches
Thickness 2mm
Focal Length � flat window
Surface finish � mostly clear, but some surface damage
Container � plastic bag containing four pieces, not individually wrapped, no desiccant

***MPN
***OEM
***SKU*** DP391

The post NaCl Window Blank, 0.5 inches x 2mm, etched (x4) appeared first on BMI Surplus.

]]> Sealed bag contains four sodium chloride optical window blanks. Windows are the better selected pieces from large lot stored in petri dish without desiccant. They will need to be polished both sides.

Material � NaCl
Diameter � 0.5 inches
Thickness 2mm
Focal Length � flat window
Surface finish � mostly clear, but some surface damage
Container � plastic bag containing four pieces, not individually wrapped, no desiccant

***MPN
***OEM
***SKU*** DP391

The post NaCl Window Blank, 0.5 inches x 2mm, etched (x4) appeared first on BMI Surplus.

]]> NaCl Window, 50mm x 25mm x 6mm, Superb https://bmisurplus.com/product/nacl-window-50mm-x-25mm-x-6mm-superb/?utm_source=rss&utm_medium=rss&utm_campaign=nacl-window-50mm-x-25mm-x-6mm-superb Mon, 12 Oct 2020 17:02:45 +0000 https://www.bmisurplus.com/product/nacl-window-50mm-x-25mm-x-6mm-superb/ Sodium Chloride crystal window, 50mm long, 25mm wide, and 6mm thick. Crystal is sealed in plastic bag (two desiccant tubes in bag). Crystal is wrapped in tissue and could not be examined without opening. Like most salt windows, it should be assumed that this may need to be repolished. This lot consists of one crystal window.

Material � NaCl
Dimensions 50mm x 25mm
Thickness � 6mm
Focal Length � flat window
Surface finish � could not evaluate � crystal wrapped in tissue inside sealed bag.
Container � sealed plastic with paired desiccant tubes inside

***MPN
***OEM
***SKU*** DP389

The post NaCl Window, 50mm x 25mm x 6mm, Superb appeared first on BMI Surplus.

]]> Sodium Chloride crystal window, 50mm long, 25mm wide, and 6mm thick. Crystal is sealed in plastic bag (two desiccant tubes in bag). Crystal is wrapped in tissue and could not be examined without opening. Like most salt windows, it should be assumed that this may need to be repolished. This lot consists of one crystal window.

Material � NaCl
Dimensions 50mm x 25mm
Thickness � 6mm
Focal Length � flat window
Surface finish � could not evaluate � crystal wrapped in tissue inside sealed bag.
Container � sealed plastic with paired desiccant tubes inside

***MPN
***OEM
***SKU*** DP389

The post NaCl Window, 50mm x 25mm x 6mm, Superb appeared first on BMI Surplus.

]]> NaCl Window, 36mm diameter, 9mm thick, https://bmisurplus.com/product/nacl-window-36mm-diameter-9mm-thick/?utm_source=rss&utm_medium=rss&utm_campaign=nacl-window-36mm-diameter-9mm-thick Mon, 12 Oct 2020 17:02:44 +0000 https://www.bmisurplus.com/product/nacl-window-36mm-diameter-9mm-thick/ Sodium Chloride window, 36mm in diameter, 9mm thick. There is a significant fracture on one edge of the crystal approximately 14mm wide, and extending about 6mm from the edge. You will probably wish to repolish one side. Window was in unsealed bag with desiccant. Part number on padded envelope is #03609.

Material � NaCl
Diameter � 36mm
Thickness � 9mm
Focal Length � flat window
Surface finish � very lightly etched on one side, other side appears blemish-free
Container � cotton-padded cloth sleeve pouch with desiccant container.

***MPN
***OEM
***SKU*** DP386

The post NaCl Window, 36mm diameter, 9mm thick, appeared first on BMI Surplus.

]]> Sodium Chloride window, 36mm in diameter, 9mm thick. There is a significant fracture on one edge of the crystal approximately 14mm wide, and extending about 6mm from the edge. You will probably wish to repolish one side. Window was in unsealed bag with desiccant. Part number on padded envelope is #03609.

Material � NaCl
Diameter � 36mm
Thickness � 9mm
Focal Length � flat window
Surface finish � very lightly etched on one side, other side appears blemish-free
Container � cotton-padded cloth sleeve pouch with desiccant container.

***MPN
***OEM
***SKU*** DP386

The post NaCl Window, 36mm diameter, 9mm thick, appeared first on BMI Surplus.

]]> NaCl Window, 50mm x 40mm x 20mm, Corner https://bmisurplus.com/product/nacl-window-50mm-x-40mm-x-20mm-corner/?utm_source=rss&utm_medium=rss&utm_campaign=nacl-window-50mm-x-40mm-x-20mm-corner Mon, 12 Oct 2020 17:02:43 +0000 https://www.bmisurplus.com/product/nacl-window-50mm-x-40mm-x-20mm-corner/ This is a very large sodium chloride crystal window. Crystal has been bumped � there is a significant fracture in one corner that extends approximately 6mm diagonally into the plate, otherwise the window appears unflawed. This lot consists of one crystal window.

Material � NaCl
Dimensions 50mm x 40mm
Thickness 20mm
Focal Length � flat window
Surface finish � visually perfect � significant flaw in one corner (see photo)
Container � sealed plastic bag without desiccant

***MPN
***OEM
***SKU*** DP385

The post NaCl Window, 50mm x 40mm x 20mm, Corner appeared first on BMI Surplus.

]]> This is a very large sodium chloride crystal window. Crystal has been bumped � there is a significant fracture in one corner that extends approximately 6mm diagonally into the plate, otherwise the window appears unflawed. This lot consists of one crystal window.

Material � NaCl
Dimensions 50mm x 40mm
Thickness 20mm
Focal Length � flat window
Surface finish � visually perfect � significant flaw in one corner (see photo)
Container � sealed plastic bag without desiccant

***MPN
***OEM
***SKU*** DP385

The post NaCl Window, 50mm x 40mm x 20mm, Corner appeared first on BMI Surplus.

]]> NaCl Rectangular Window 50 x 40mm https://bmisurplus.com/product/nacl-rectangular-window-50-x-40mm/?utm_source=rss&utm_medium=rss&utm_campaign=nacl-rectangular-window-50-x-40mm Mon, 12 Oct 2020 17:02:42 +0000 https://www.bmisurplus.com/product/nacl-rectangular-window-50-x-40mm/ This is a very large sodium chloride crystal window.

Material: NaCl
Dimensions: 50 x 40mm
Thickness: 20mm
Focal Length: flat window
Surface finish: visually perfect � very minor corner flaws (less than 0.5mm)
Container: sealed plastic bag includes desiccant
***MPN
***OEM
***SKU*** DP384

The post NaCl Rectangular Window 50 x 40mm appeared first on BMI Surplus.

]]> This is a very large sodium chloride crystal window.

Material: NaCl
Dimensions: 50 x 40mm
Thickness: 20mm
Focal Length: flat window
Surface finish: visually perfect � very minor corner flaws (less than 0.5mm)
Container: sealed plastic bag includes desiccant
***MPN
***OEM
***SKU*** DP384

The post NaCl Rectangular Window 50 x 40mm appeared first on BMI Surplus.

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